var ppt=new function()
{
		this.pptData=new Array();
		this.addData=function(doc_id,page_id,page_sig,picurl,height,width,smallPic,doc_intern_id){
			for (var i = 0; i < this.pptData.length; i++) {
				if(this.pptData[i]["doc_intern_id"] == doc_intern_id && this.pptData[i]["doc_id"] != doc_id)
					return;
			  	 if(this.pptData[i]["doc_id"] == doc_id && this.pptData[i]["page_id"] == page_id){
			   		 this.pptData[i]["page_sig"] =page_sig;
			         this.pptData[i]["picurl"] =picurl;
 			         this.pptData[i]["height"] =height;
 			         this.pptData[i]["width"] = width;	
					 this.pptData[i]["smallPic"] = smallPic;
					 this.pptData[i]["doc_intern_id"] = doc_intern_id;
			   		 return;
			  	 }
	 	  	}
		   this.pptData[this.pptData.length] = new Object();
		   this.pptData[this.pptData.length - 1]["doc_id"] =doc_id;
		   this.pptData[this.pptData.length - 1]["page_id"] =page_id;
		   this.pptData[this.pptData.length - 1]["page_sig"] =page_sig;
		   this.pptData[this.pptData.length - 1]["picurl"] =picurl;
		   this.pptData[this.pptData.length - 1]["height"] =height;
		   this.pptData[this.pptData.length - 1]["width"] = width;
  		   this.pptData[this.pptData.length - 1]["smallPic"] = smallPic;
   		   this.pptData[this.pptData.length - 1]["doc_intern_id"] = doc_intern_id;
		}

		this.getPPturl=function(doc_id,page_id){
			var tempstr="";
			for (var i = 0; i < this.pptData.length; i++){
			  	 if(this.pptData[i]["doc_id"] == doc_id && this.pptData[i]["page_id"] == page_id){
			   		 //if(!(this.pptData[i]["picurl"].endWith("/"))){
			   		 	//this.pptData[i]["picurl"]=this.pptData[i]["picurl"]+"/";
			   		 //}
			   		 tempstr=this.pptData[i]["picurl"];
			   		 //this.pptData.splice(i,1);
			   		 return tempstr;
			  	 }
	 	  	}
	 	  	return "";
		}
		this.getPPtheight=function(doc_id,page_id){
			var tempstr="";
			for (var i = 0; i < this.pptData.length; i++){
			  	 if(this.pptData[i]["doc_id"] == doc_id && this.pptData[i]["page_id"] == page_id){
			   		 //if(!(this.pptData[i]["picurl"].endWith("/"))){
			   		 	//this.pptData[i]["picurl"]=this.pptData[i]["picurl"]+"/";
			   		 //}
			   		 tempstr=this.pptData[i]["height"];
			   		 //this.pptData.splice(i,1);
			   		 return tempstr;
			  	 }
	 	  	}
	 	  	return 0;
		}
		
		this.getPPtwidth=function(doc_id,page_id){
			var tempstr="";
			for (var i = 0; i < this.pptData.length; i++){
			  	 if(this.pptData[i]["doc_id"] == doc_id && this.pptData[i]["page_id"] == page_id){
			   		 //if(!(this.pptData[i]["picurl"].endWith("/"))){
			   		 	//this.pptData[i]["picurl"]=this.pptData[i]["picurl"]+"/";
			   		 //}
			   		 tempstr=this.pptData[i]["width"];
			   		 //this.pptData.splice(i,1);
			   		 return tempstr;
			  	 }
	 	  	}
	 	  	return 0;
		}

		this.showinfo=function(){
			alert(this.pptData.length);
		}
}