/* - ++resource++contentloader.js - */
// http://www.patentanwalt.li/portal_javascripts/++resource++contentloader.js?original=1
image=new Object();image.Fader=function(){this.spinner_id='spinner';this.container_id='image-container';this.container=null;this.isIE=document.all&&(navigator.appName.indexOf("Microsoft")!=-1);this.isSafari=navigator.appVersion.indexOf("Safari")!=-1;this.EFFECT_STEPS=10;this.EFFECT_SPEED=50;this.ALPHA_MAX=100;this.CHANGE_TIME=10000;this.container=document.getElementById(this.container_id)
if(!this.container){alert("Your image container (id='"+this.container_id+"') was not found!");return false}
counter=1;for(i=0;(image=this.container.getElementsByTagName('img')[i]);i++){if(image.parentNode.id!=this.spinner_id){image_id=this.container_id+'-'+counter;image.setAttribute('id',image_id);image.id=image_id
if(counter>1){addClassName(image,'hiddenStructure')}
counter+=1}}
this.change();var tmp=this;setInterval(function(){tmp.change()},this.CHANGE_TIME)}
image.Fader.prototype={change:function(){var xmlhttp=new XMLHttpRequest();var tmp=this;d=new Date()
anticache=d.getTime()+d.getMilliseconds();src=0;xmlhttp.open('GET','getRandomXMLImageData.xml?anticache='+anticache+'&current='+src,true);xmlhttp.onreadystatechange=function(){if(xmlhttp.readyState==4){data=xmlhttp.responseXML;if(data.getElementsByTagName('address').length>0){document.getElementById('emotional-image').style.display='block';src=data.getElementsByTagName('address')[0].firstChild;title=data.getElementsByTagName('title')[0].firstChild;img1=document.getElementById(tmp.container_id+'-1');img2=document.getElementById(tmp.container_id+'-2');if(img2){if(img1) tmp.container.removeChild(img1);img2.setAttribute('id',tmp.container_id+'-1');img2.id=tmp.container_id+'-1'}
img=document.createElement('img');img.setAttribute('id',tmp.container_id+'-2');img.setAttribute('src',src.data);img.setAttribute('alt',title?title.data:'');img.src=src.data;img.alt=title?title.data:'';img.id=tmp.container_id+'-2';addClassName(img,'hiddenStructure');tmp.container.appendChild(img);tmp.setOpacity(img.id,0);removeClassName(img,'hiddenStructure');tmp.debug('+ starting loading: '+img.src+' (Cache: '+img.complete+')');if(document.getElementById('image-caption')){setTimeout("document.getElementById('image-caption').innerHTML = '"+(title?title.data:'')+"';",(tmp.EFFECT_SPEED *(tmp.EFFECT_STEPS * 2)))}
if(tmp.isIE){tmp.onloadIEHandler.call(tmp)} else{img.onload=function(){tmp.onloadHandler.call(tmp)}}}}}
xmlhttp.send(null);this.spinner(true)},onloadHandler:function(){this.spinner(false);this.debug('- finished loading.');img2=document.getElementById(this.container_id+'-2')
this.fade(img2.id,0);var tmp=this;setTimeout('tmp.spinner(false)',this.EFFECT_STEPS * this.EFFECT_SPEED)},onloadIEHandler:function(){if(img.complete){this.onloadHandler()} else{this.debug('- loading.');tmp=this;setTimeout('tmp.onloadIEHandler()',100)}},setOpacity:function(id,alpha){this.debug(id+': opacity='+alpha+'('+this.ALPHA_MAX+'/'+this.EFFECT_STEPS+')');element=document.getElementById(id)
if(this.isIE){element.style.filter='alpha(opacity='+alpha+')'} else if(this.isSafari){element.style.opacity=alpha/100} else{element.style.MozOpacity=alpha/100}},fade:function(id,alpha){this.setOpacity(id,alpha);if(alpha>=this.ALPHA_MAX){return true} else{alpha+=parseInt(this.ALPHA_MAX/this.EFFECT_STEPS);tmp=this;setTimeout('tmp.fade("'+id+'", '+alpha+')',this.EFFECT_SPEED)}},debug:function(debug_string){d=document.getElementById('debug');if(d){if(this.isIE){d.innerHTML=d.innerHTML+'<br />'+debug_string} else{d.innerHTML=d.innerHTML+'\n'+debug_string}}},spinner:function(visible){s=document.getElementById(this.spinner_id);if(visible){removeClassName(s,'hiddenStructure')} else{addClassName(s,'hiddenStructure')}}}
function startFadeEffect(){var o=new image.Fader()}
registerPloneFunction(startFadeEffect);