var SmcLoadIcon=Class.create();SmcLoadIcon.prototype={initialize:function(doc,layer_name){this.oSmcLoadIconDiv=doc.createElement("div");this.oSmcLoadIconDiv.id="SmcLoadIcon";this.oSmcLoadIconDiv.style.position="absolute";this.oSmcLoadIconDiv.style.visibility='hidden';this.oSmcLoadIconDiv.style.zIndex=200;this.oSmcLoadIconDiv.style.height=0;this.oSmcLoadIconDiv.style.width=0;Event.observe(this.oSmcLoadIconDiv,'mousedown',this.mousedown.bind(this),true);var oLayer=doc.getElementById(layer_name);oLayer.appendChild(this.oSmcLoadIconDiv);this.ajaxloadcount=0;},set:function(height,width){this.oSmcLoadIconDiv.style.height=height;this.oSmcLoadIconDiv.style.width=width;this.oSmcLoadIconDiv.className='LoadIconBack';},setPos:function(posX,posY){this.oSmcLoadIconDiv.style.left=posX;this.oSmcLoadIconDiv.style.top=posY;},show:function(){this.ajaxloadcount+=1;if(this.oSmcLoadIconDiv.style.visibility=='hidden'){this.oSmcLoadIconDiv.style.visibility='visible';}},hide:function(){this.ajaxloadcount-=1;if(this.ajaxloadcount<=0){this.oSmcLoadIconDiv.style.visibility='hidden';this.ajaxloadcount=0;}},mousedown:function(e){e.returnValue=false;e.cancelBubble=true;}};