Protoload={timeUntilShow:50,opacity:0.8,startWaiting:function(element,className,timeUntilShow){if(typeof element=="string"){element=document.getElementById(element);}if(className==undefined){className="waiting";}if(timeUntilShow==undefined){timeUntilShow=Protoload.timeUntilShow;}element._waiting=true;if(!element._loading){var e=document.createElement("div");(element.offsetParent||document.body).appendChild(element._loading=e);e.style.position="absolute";try{e.style.opacity=Protoload.opacity;}catch(e){}try{e.style.MozOpacity=Protoload.opacity;}catch(e){}try{e.style.filter="alpha(opacity="+Math.round(Protoload.opacity*100)+")";}catch(e){}try{e.style.KhtmlOpacity=Protoload.opacity;}catch(e){}}element._loading.className=className;window.setTimeout((function(){if(this._waiting){var left=this.offsetLeft,top=this.offsetTop,width=this.offsetWidth,height=this.offsetHeight,l=this._loading;l.style.left=left+"px";l.style.top=top+"px";l.style.width=width+"px";l.style.height=height+"px";l.style.display="inline";}}).bind(element),timeUntilShow);},stopWaiting:function(element){if(element._waiting){element._waiting=false;element._loading.parentNode.removeChild(element._loading);element._loading=null;}}};if(Prototype){Element.addMethods(Protoload);Object.extend(Element,Protoload);}