/* link-preview v1.2 by frequency-decoder.com, modified by livethumb.de Released under a creative commons Attribution-ShareAlike 2.5 license (http://creativecommons.org/licenses/by-sa/2.5/) Please credit frequency-decoder in any derivative work - thanks. You are free: * to copy, distribute, display, and perform the work * to make derivative works * to make commercial use of the work Under the following conditions: by Attribution. -------------- You must attribute the work in the manner specified by the author or licensor. sa -- Share Alike. If you alter, transform, or build upon this work, you may distribute the resulting work only under a license identical to this one. * For any reuse or distribution, you must make clear to others the license terms of this work. * Any of these conditions can be waived if you get permission from the copyright holder. References: Dustan Diaz: http://www.dustindiaz.com/sweet-titles-finalized Arc90: http://lab.arc90.com/2006/07/link_thumbnail.php */ var liveThumb = { x:0, y:0, obj:{}, img:null, lnk:null, timer:null, opacityTimer:null, errorTimer:null, hidden:true, linkPool: {}, baseURI: "http://vermarkten.net/img/tns/", imageCache: [], init: function() { var lnks = document.getElementsByTagName('a'); var i = lnks.length || 0; var cnt = 0; while(i--) { if(lnks[i].className && lnks[i].className.search(/livethumb/) != -1) { liveThumb.addEvent(lnks[i], ["focus", "mouseover"], liveThumb.initThumb); liveThumb.addEvent(lnks[i], ["blur", "mouseout"], liveThumb.hideThumb); liveThumb.linkPool[lnks[i].href] = cnt++; } } if(cnt) { liveThumb.preloadImages(); liveThumb.obj = document.createElement('div'); liveThumb.ind = document.createElement('div'); liveThumb.ind.className= "imageLoaded"; liveThumb.img = document.createElement('img'); liveThumb.img.alt = "preview"; liveThumb.addEvent(liveThumb.img, ["load"], liveThumb.imageLoaded); liveThumb.addEvent(liveThumb.img, ["error"], liveThumb.imageError); liveThumb.obj.id = "fdImageThumb"; liveThumb.obj.style.visibility = "hidden"; liveThumb.obj.style.top = "0"; liveThumb.obj.style.left = "0"; liveThumb.addEvent(liveThumb.img, ["mouseout"], liveThumb.hideThumb); liveThumb.obj.appendChild(liveThumb.ind); liveThumb.obj.appendChild(liveThumb.img); document.getElementsByTagName('body')[0].appendChild(liveThumb.obj); } }, preloadImages: function() { var imgList = ["lt.png", "lb.png", "rt.png", "rb.png", "error.gif", "loading.gif"]; var imgObj = document.createElement('img'); for(var i = 0, img; img = imgList[i]; i++) { liveThumb.imageCache[i] = imgObj.cloneNode(false); liveThumb.imageCache[i].src = liveThumb.baseURI + img; } }, imageLoaded: function() { if(liveThumb.errorTimer) clearTimeout(liveThumb.errorTimer); if(!liveThumb.hidden) liveThumb.img.style.visibility = "visible"; liveThumb.ind.className= "imageLoaded"; liveThumb.ind.style.visibility = "hidden"; }, imageError: function(e) { if(liveThumb.errorTimer) clearTimeout(liveThumb.errorTimer); liveThumb.ind.className= "imageError"; liveThumb.errorTimer = window.setTimeout("liveThumb.hideThumb()",2000); }, initThumb: function(e) { e = e || event; liveThumb.lnk = this; var positionClass = "left"; var heightIndent; var indentX = 0; var indentY = 0; var trueBody = (document.compatMode && document.compatMode!="BackCompat")? document.documentElement : document.body; if(String(e.type).toLowerCase().search(/mouseover/) != -1) { if (document.captureEvents) { liveThumb.x = e.pageX; liveThumb.y = e.pageY; } else if ( window.event.clientX ) { liveThumb.x = window.event.clientX+trueBody.scrollLeft; liveThumb.y = window.event.clientY+trueBody.scrollTop; } indentX = 10; heightIndent = parseInt(liveThumb.y-(liveThumb.obj.offsetHeight))+'px'; } else { var obj = this; var curleft = curtop = 0; if (obj.offsetParent) { curleft = obj.offsetLeft; curtop = obj.offsetTop; while (obj = obj.offsetParent) { curleft += obj.offsetLeft; curtop += obj.offsetTop; } } curtop += this.offsetHeight; liveThumb.x = curleft; liveThumb.y = curtop; heightIndent = parseInt(liveThumb.y-(liveThumb.obj.offsetHeight)-this.offsetHeight)+'px'; } if ( parseInt(trueBody.clientWidth+trueBody.scrollLeft) < parseInt(liveThumb.obj.offsetWidth+liveThumb.x) + indentX) { liveThumb.obj.style.left = parseInt(liveThumb.x-(liveThumb.obj.offsetWidth+indentX))+'px'; positionClass = "right"; } else { liveThumb.obj.style.left = (liveThumb.x+indentX)+'px'; } if ( parseInt(trueBody.clientHeight+trueBody.scrollTop) < parseInt(liveThumb.obj.offsetHeight+liveThumb.y) + indentY ) { liveThumb.obj.style.top = heightIndent; positionClass += "Top"; } else { liveThumb.obj.style.top = (liveThumb.y + indentY)+'px'; positionClass += "Bottom"; } liveThumb.obj.className = positionClass; liveThumb.timer = window.setTimeout("liveThumb.showThumb()",500); }, showThumb: function(e) { liveThumb.hidden = false; liveThumb.obj.style.visibility = liveThumb.ind.style.visibility = 'visible'; liveThumb.obj.style.opacity = liveThumb.ind.style.opacity = '.1'; liveThumb.img.style.visibility = "hidden"; var addy = String(liveThumb.lnk.href); //.replace(/(\?)([^?]+)/, ""); liveThumb.errorTimer = window.setTimeout("liveThumb.imageError()",15000); liveThumb.img.src = 'http://vermarkten.net/work/webthumb.php?url='+ encodeURIComponent(addy)+'&size=202'; /*@cc_on@*/ /*@if(@_win32) return; /*@end@*/ liveThumb.fade(10); }, hideThumb: function(e) { liveThumb.hidden = true; if(liveThumb.timer) clearTimeout(liveThumb.timer); if(liveThumb.errorTimer) clearTimeout(liveThumb.errorTimer); if(liveThumb.opacityTimer) clearTimeout(liveThumb.opacityTimer); liveThumb.obj.style.visibility = 'hidden'; liveThumb.ind.style.visibility = 'hidden'; liveThumb.img.style.visibility = 'hidden'; liveThumb.ind.className= "imageLoaded"; }, fade: function(opac) { var passed = parseInt(opac); var newOpac = parseInt(passed+10); if ( newOpac < 90 ) { liveThumb.obj.style.opacity = liveThumb.ind.style.opacity = '.'+newOpac; liveThumb.opacityTimer = window.setTimeout("liveThumb.fade('"+newOpac+"')",20); } else { liveThumb.obj.style.opacity = liveThumb.ind.style.opacity = '.99'; } }, addEvent: function( obj, types, fn ) { var type; for(var i = 0; i < types.length; i++) { type = types[i]; if ( obj.attachEvent ) { obj['e'+type+fn] = fn; obj[type+fn] = function(){obj['e'+type+fn]( window.event );} obj.attachEvent( 'on'+type, obj[type+fn] ); } else obj.addEventListener( type, fn, false ); } } } liveThumb.addEvent(window, ['load'], liveThumb.init);