右下角漂浮图像,能跟随滚动条进行上下移动-脚本在线

AI智能体脚本智能办公脚本自动化游戏脚本浏览器自动化脚本服务器脚本

右下角漂浮图像,能跟随滚动条进行上下移动

作者：互联网

2009-06-20

网页特效

<html> <head> <title>Listing 35.13. A Wipe Transition for the Incoming Slide</title> <script language="JavaScript" type="text/javascript"> // This array holds all of the document's DHTML-able objects var dhtml_objects = new Array() // This function creates the custom objects that serve as cross-browser front-ends function create_object_array() { // All the <div> and <span> tags are stored in these variables var div_tags var span_tags var css_tags // Is the browser W3C DOM compliant? if (document.getElementById) { // If so, use getElementsByTagName() to get the <div> tags div_tags = document.getElementsByTagName("div") // Loop through the <div> tags for (var counter = 0; counter < div_tags.length; counter++) { // Store the current object current_object = div_tags[counter] // Store how the browser accesses styles object_css = current_object.style // Store the object's id object_id = current_object.id // Only store those tags that have an id if (object_id) { // create a new dhtml_object and store it in dhtml_objects dhtml_objects[object_id] = new dhtml_object(current_object, object_css, object_id) } } // Use getElementsByTagName() to get the <span> tags span_tags = document.getElementsByTagName("span") // Loop through the <span> tags for (var counter = 0; counter < span_tags.length; counter++) { // Store the current object current_object = span_tags[counter] // Store how the browser accesses styles object_css = current_object.style // Store the object's id object_id = current_object.id // Only store those tags that have an id if (object_id) { // create a new dhtml_object and store it in dhtml_objects dhtml_objects[object_id] = new dhtml_object(current_object, object_css, object_id) } } } // Is the browser DHTML DOM compliant? else if (document.all) { // If so, use document.all to get the <div> tags div_tags = document.all.tags("div") // Loop through the <div> tags for (var counter = 0; counter < div_tags.length; counter++) { // Store the current object current_object = div_tags[counter] // Store how the browser accesses styles object_css = current_object.style // Store the object's id object_id = current_object.id // Only store those tags that have an id if (object_id) { // create a new dhtml_object and store it in dhtml_objects dhtml_objects[object_id] = new dhtml_object(current_object, object_css, object_id) } } // Use document.all to get the <span> tags span_tags = document.all.tags("span") // Loop through the <span> tags for (var counter = 0; counter < span_tags.length; counter++) { // Store the current object current_object = span_tags[counter] // Store how the browser accesses styles object_css = current_object.style // Store the object's id object_id = current_object.id // Only store those tags that have an id if (object_id) { // create a new dhtml_object and store it in dhtml_objects dhtml_objects[object_id] = new dhtml_object(current_object, object_css, object_id) } } } // Is the browser LDOM compliant? else if (document.layers) { // Use document.layers to get the positioned <div> and <span> tags css_tags = document.layers // Loop through the layers for (var counter = 0; counter < css_tags.length; counter++) { // Store the current object current_object = css_tags[counter] // Store how the browser accesses styles object_css = current_object // Store the object's id object_id = current_object.id // Only store those tags that have an id if (object_id) { // create a new dhtml_object and store it in dhtml_objects dhtml_objects[object_id] = new dhtml_object(current_object, object_css, object_id) } } } } function dhtml_object (obj, css, id) { this.obj = obj this.css = css this.id = id this.left = get_left this.right = get_right this.top = get_top this.bottom = get_bottom this.width = get_width this.height = get_height this.visibility = get_visibility this.zIndex = get_zIndex this.move_to = move_to this.move_by = move_by this.set_left = set_left this.set_top = set_top this.set_width = set_width this.set_height = set_height this.set_visibility = set_visibility this.set_zIndex = set_zIndex this.move_above = move_above this.move_below = move_below this.set_backgroundColor = set_backgroundColor this.set_backgroundImage = set_backgroundImage this.set_html = set_html this.get_clip_top = get_clip_top this.get_clip_right = get_clip_right this.get_clip_bottom = get_clip_bottom this.get_clip_left = get_clip_left this.get_clip_width = get_clip_width this.get_clip_height = get_clip_height this.resize_clip_to = resize_clip_to this.resize_clip_by = resize_clip_by } function get_left() { return parseInt(this.css.left) } function get_right() { return this.left() + this.width() } function get_top() { return parseInt(this.css.top) } function get_bottom() { return this.top() + this.height() } function get_width() { // Is this a W3C or DHTML DOM browser? if (!document.layers) { // If so, is the width defined? if (this.css.width) { // If so, return the width property return parseInt(this.css.width) } else { // If not, return the offsetWidth property return parseInt(this.obj.offsetWidth) } } else { // If not, return the layer's document width return parseInt(this.obj.document.width) } } function get_height() { // Is this a W3C or DHTML DOM browser? if (!document.layers) { // If so, is the height defined? if (this.css.height) { // If so, return the height property return parseInt(this.css.height) } else { // If not, return the offsetHeight property return parseInt(this.obj.offsetHeight) } } else { // If not, return the layer's document height return parseInt(this.obj.document.height) } } function get_visibility() { // Is this a W3C or DHTML DOM browser? if (!document.layers) { // If so, is the visibility defined? if (this.css.visibility) { // If so, return the visibility property return this.css.visibility } } else { // Otherwise, it's an LDOM browser, so // handle the proprietary visibility values if (this.css.visibility == "show") { return "visible" } if (this.css.visibility == "hide") { return "hidden" } } // If we get this far, just return "inherit" return "inherit" } function get_zIndex() { return this.css.zIndex } function move_to (new_left, new_top) { this.css.left = new_left this.css.top = new_top } function move_by (delta_left, delta_top) { // Add the delta values this.css.left = this.left() + parseInt(delta_left) this.css.top = this.top() + parseInt(delta_top) } function set_left (new_left) { this.css.left = new_left } function set_top (new_top) { this.css.top = new_top } function set_width (new_width) { // Is this a W3C or DHTML DOM browser? if (!document.layers) { // If so, just set the width property this.css.width = new_width } } function set_height (new_height) { // Is this a W3C or DHTML DOM browser? if (!document.layers) { // If so, just set the width property this.css.height = new_height } } function set_visibility (new_visibility) { // Is this a W3C or DHTML DOM browser? if (!document.layers) { // If so, just set the visibility // to the value of the argument this.css.visibility = new_visibility } else { // Otherwise, set the proprietary visibility values if (new_visibility == "visible") { this.css.visibility = "show" } else if (new_visibility == "hidden") { this.css.visibility = "hide" } else { this.css.visibility = "inherit" } } } function set_zIndex(new_zindex) { // Is the new z-index greater than 0? if (new_zindex > 0) { // If so, set it this.css.zIndex = new_zindex } else { // If not, set it to 0 this.css.zIndex = 0 } } function move_above(reference_object) { this.css.zIndex = reference_object.css.zIndex + 1 } function move_below(reference_object) { // Get the z-index of the reference object reference_zindex = reference_object.css.zIndex // Is it greater than 0? if (reference_zindex > 0) { // If so, set this object's zindex to one less this.css.zIndex = reference_zindex - 1 } else { // If not, set the reference object's z-index to 1 // and this object's z-index to 0 reference_object.css.zIndex = 1 this.css.zIndex = 0 } } function set_backgroundColor(new_color) { // Is this a W3C or DHTML DOM browser? if (!document.layers) { // If so, use the backgroundColor property this.css.backgroundColor = new_color } else { // If not, use the bgcolor property this.css.bgColor = new_color } } function set_backgroundImage(new_image) { // Is this a W3C or DHTML DOM browser? if (!document.layers) { // If so, use the backgroundImage property this.css.backgroundImage = "url(" + new_image + ")" } else { // If not, use the background property this.css.background.src = new_image } } function set_html(new_html) { // Is this a W3C or DHTML DOM browser? if (!document.layers) { // If so, use the innerHTML property this.obj.innerHTML = new_html } else { // If not, use the document.write() method this.obj.document.open() this.obj.document.write(new_html) this.obj.document.close() } } function get_clip_top() { // Is this a W3C or DHTML DOM browser? if (!document.layers) { // If so, first parse the clip string parse_dom_clip(this) // Clip values are now in the current_clip object return current_clip.top } else { // Otherwise, use clip.top return this.css.clip.top } } var current_clip function clip_object(top, right, bottom, left) { this.top = top this.right = right this.bottom = bottom this.left = left } function parse_dom_clip(current_object) { clip_string = current_object.css.clip if (clip_string.length > 0) { var values_string = clip_string.slice(5, clip_string.length - 1) var clip_values = values_string.split(" ") var clip_top = parseInt(clip_values[0]) var clip_right = parseInt(clip_values[1]) var clip_bottom = parseInt(clip_values[2]) var clip_left = parseInt(clip_values[3]) } else { var clip_top = 0 var clip_right = current_object.width() var clip_bottom = current_object.height() var clip_left = 0 } current_clip = new clip_object(clip_top, clip_right, clip_bottom, clip_left) } function get_clip_right() { // Is this a W3C or DHTML DOM browser? if (!document.layers) { // If so, first parse the clip string parse_dom_clip(this) // Clip values are now in the current_clip object return current_clip.right } else { // Otherwise, use clip.right return this.css.clip.right } } function get_clip_bottom() { // Is this a W3C or DHTML DOM browser? if (!document.layers) { // If so, first parse the clip string parse_dom_clip(this) // Clip values are now in the current_clip object return current_clip.bottom } else { // Otherwise, use clip.bottom return this.css.clip.bottom } } function get_clip_left() { // Is this a W3C or DHTML DOM browser? if (!document.layers) { // If so, first parse the clip string parse_dom_clip(this) // Clip values are now in the current_clip object return current_clip.left } else { // Otherwise, use clip.left return this.css.clip.left } } function get_clip_width() { // Is this a W3C or DHTML DOM browser? if (!document.layers) { // If so, first parse the clip string parse_dom_clip(this) // Clip values are now in the current_clip object return current_clip.right - current_clip.left } else { // Otherwise, use clip.width return this.css.clip.width } } function get_clip_height() { // Is this a W3C or DHTML DOM browser? if (!document.layers) { // If so, first parse the clip string parse_dom_clip(this) // Clip values are now in the current_clip object return current_clip.bottom - current_clip.top } else { // Otherwise, use clip.width return this.css.clip.height } } function resize_clip_to(new_top, new_right, new_bottom, new_left) { if (new_top == "auto") {new_top = this.get_clip_top() } if (new_right == "auto") {new_right = this.get_clip_right() } if (new_bottom == "auto") {new_bottom = this.get_clip_bottom() } if (new_left == "auto") {new_left = this.get_clip_left() } // Is this a W3C or DHTML DOM browser? if (!document.layers) { // Clip values are now in the current_clip object this.css.clip = "rect(" + new_top + " " + new_right + " " + new_bottom + " " + new_left + ")" } else { // Otherwise, use clip properties this.css.clip.top = new_top this.css.clip.right = new_right this.css.clip.bottom = new_bottom this.css.clip.left = new_left } } function resize_clip_by(delta_top, delta_right, delta_bottom, delta_left) { var new_top = this.get_clip_top() + delta_top var new_right = this.get_clip_right() + delta_right var new_bottom = this.get_clip_bottom() + delta_bottom var new_left = this.get_clip_left() + delta_left // Is this a W3C or DHTML DOM browser? if (!document.layers) { // Clip values are now in the current_clip object this.css.clip = "rect(" + new_top + " " + new_right + " " + new_bottom + " " + new_left + ")" } else { // Otherwise, use clip properties this.css.clip.top = new_top this.css.clip.right = new_right this.css.clip.bottom = new_bottom this.css.clip.left = new_left } } function get_mouse_x(current_event) { // Is this Internet Explorer 4 or later? if (its_ie4plus) { // If so, return the event.clientX property return event.clientX } // Is this Netscape Explorer 4 or later? else if (its_ns4plus) { // Otherwise, return the pageX property return current_event.pageX } else { // Otherwise, return null return null } } function get_mouse_y(current_event) { // Is this Internet Explorer 4 or later? if (its_ie4plus) { // If so, return the event.clientY property return event.clientY } // Is this Netscape Explorer 4 or later? else if (its_ns4plus) { // If so, return the pageY property return current_event.pageY } else { // Otherwise, return null return null } } function get_client_width() { // Is this Internet Explorer 4 or later? if (its_ie4plus) { // If so, return the clientWidth property return document.body.clientWidth } else if (its_ns4plus) { // If so, return the innerWidth property return window.innerWidth - 18 } else { // Otherwise, return null return null } } function get_client_height() { // Is this Internet Explorer 4 or later? if (its_ie4plus) { // If so, return the clientHeight property return document.body.clientHeight } // Is this Netscape Explorer 4 or later? else if (its_ns4plus) { // If so, return the innerHeight property return window.innerHeight - 18 } else { // Otherwise, return null return null } } function get_client_scroll_left() { // Is this Internet Explorer 4 or later? if (its_ie4plus) { // If so, return the scrollLeft property return document.body.scrollLeft } // Is this Netscape Explorer 4 or later? else if (its_ns4plus) { // If so, return the pageXOffset property return pageXOffset } else { // Otherwise, return null return null } } function get_client_scroll_top() { // Is this Internet Explorer 4 or later? if (its_ie4plus) { // If so, return the scrollTop property return document.body.scrollTop } // Is this Netscape Explorer 4 or later? else if (its_ns4plus) { // If so, return the pageYOffset property return pageYOffset } else { // Otherwise, return null return null } } </script> <script language="JavaScript" type="text/javascript"> // One of these boolean variables will be // set to true based on the browser name var its_ie = false var its_ns = false var its_opera = false var its_webtv = false var its_compatible = false // One of these boolean variables will be set to // true based on the Internet Explorer version var its_ie2 = false var its_ie3 = false var its_ie4 = false var its_ie5 = false var its_ie55 = false var its_ie6 = false var its_ie4plus = false var its_ie5plus = false var its_ie55plus = false var its_ie6plus = false // One of these boolean variables will be set to // true based on the Netscape version var its_ns2 = false var its_ns3 = false var its_ns4 = false var its_ns6 = false var its_ns3plus = false var its_ns4plus = false var its_ns6plus = false // One of these boolean variables will be // set to true based on the operating system var its_win31 = false var its_win95 = false var its_win98 = false var its_winme = false var its_winnt = false var its_win2000 = false var its_winxp = false var its_windows = false var its_win32 = false var its_mac68k = false var its_macppc = false var its_macos = false var its_linux = false var its_other_os = false // This will be true of the browser supports some kind of DHTML var dhtml_ok = false // Let's work with lowercase letters to keep things simple var user_agent = navigator.userAgent.toLowerCase() // BROWSER NAME // Use indexOf() to examine the userAgent string // for telltale signs of the browser name if (user_agent.indexOf("opera") != -1) { its_opera = true } else if (user_agent.indexOf("webtv") != -1) { its_webtv = true } else if (user_agent.indexOf("msie") != -1) { its_ie = true } else if (user_agent.indexOf("mozilla") != -1) { // For "moziila", we need to rule out some other possibilities, first if ((user_agent.indexOf("compatible") == -1) && (user_agent.indexOf("spoofer") == -1) && (user_agent.indexOf("hotjava") == -1)) { its_ns = true } else { its_compatible = true } } // BROWSER VERSION var major_version = parseInt(navigator.appVersion) var full_version = parseFloat(navigator.appVersion) var ie_start = user_agent.indexOf("msie") if (ie_start != -1) { var version_string = user_agent.substring(ie_start + 5) major_version = parseInt(version_string) full_version = parseFloat(version_string) } // INTERNET EXPLORER if (its_ie || its_webtv) { if (major_version < 3) { its_ie2 = true } else if (major_version == 3) { its_ie3 = true } else if (major_version == 4) { its_ie4 = true } else if (major_version == 5) { its_ie5 = true } else if (full_version == 5.5) { its_ie55 = true } else if (major_version == 6) { its_ie6 = true } if (major_version >= 4) { its_ie4plus = true } if (major_version >= 5) { its_ie5plus = true } if (full_version >= 5.5) { its_ie55plus = true } if (major_version >= 6) { its_ie6plus = true } } // NETSCAPE if (its_ns) { if (major_version < 3) { its_ns2 = true } else if (major_version < 4) { its_ns3 = true } else if (major_version == 4) { its_ns4 = true } else if (major_version == 5) { its_ns6 = true } if (major_version >= 3) { its_ns3plus = true } if (major_version >= 4) { its_ns4plus = true } if (major_version >= 5) { its_ns6plus = true } } // OPERATING SYSTEM // Use indexOf() to examine the userAgent string // for telltale signs of the operating system // WINDOWS 3.1 if ((user_agent.indexOf("windows 3.1") != -1) || (user_agent.indexOf("win16") != -1) || (user_agent.indexOf("16bit") != -1) || (user_agent.indexOf("16-bit") != -1)) { its_win31 = true } // WINDOWS 95 else if ((user_agent.indexOf("windows 95") != -1) || (user_agent.indexOf("win95") != -1)) { its_win95 = true } // WINDOWS ME if (user_agent.indexOf("win 9x 4.90") != -1) { its_winme = true } // WINDOWS 98 else if ((user_agent.indexOf("windows 98") != -1) || (user_agent.indexOf("win98") != -1)) { its_win98 = true } // WINDOWS XP else if ((user_agent.indexOf("windows nt 5.1") != -1) || (user_agent.indexOf("winnt 5.1") != -1)) { its_winxp = true } // WINDOWS 2000 else if ((user_agent.indexOf("windows nt 5.0") != -1) || (user_agent.indexOf("winnt 5.0") != -1)) { its_win2000 = true } // WINDOWS NT else if ((user_agent.indexOf("windows nt") != -1) || (user_agent.indexOf("winnt") != -1)) { its_winnt = true } // MAC 680x0 else if ((user_agent.indexOf("mac") != -1) && ((user_agent.indexOf("68K") != -1) || (user_agent.indexOf("68000") != -1))) { its_mac68k = true } // MAC PowerPC else if ((user_agent.indexOf("mac") != -1) && ((user_agent.indexOf("ppc") != -1) || (user_agent.indexOf("powerpc") != -1))) { its_macppc = true } // LINUX else if (user_agent.indexOf("linux") != -1) { its_linux = true } // OTHER OS else { its_other_os = true } // PLATFORM // Use the operating system booleans to // determine the general platform // MAC OS if (its_mac68k || its_macppc) { its_macos = true} // 32-BIT WINDOWS if (its_win95 || its_win98 || its_winme || its_winnt || its_win2000 || its_winxp) {its_win32 = true} // WINDOWS if (its_win31 || its_win32) {its_windows = true} // DHTML SUPPORT if (document.getElementById || document.all || document.layers) { dhtml_ok = true } </script> <script language="JavaScript" type="text/javascript">  </script> </head> <body onLoad="initialize()">  <div id="viewer1" style="position:absolute; left:10; top:0"> <img src="https://images.jiaoben.net/u/info_img/2009-06/20/fiesole1.jpg"> </div> <div id="viewer2" style="position:absolute; left:10; top:0"></div> <div id="controls" style="position:absolute; left:10; top:325; width: 525; text-align: center; font-weight:bold"></div> </div> </body> </html>