function dolayerChange_4(id,name,count){
		 var obj;
		 for (var i=1;i<=count ;i++ )
			 {
			 if(id==i){
				 document.getElementById(name+i).style.display="block";
				// document.getElementById(name+"_"+i).background='images/an-a.jpg';
			 }else{
				 document.getElementById(name+i).style.display="none";
				 //document.getElementById(name+"_"+i).background='images/an-b.jpg'
			      }
			 }
		 }

function dolayerChange_6(id,name,count){
		 var obj;
		 for (var i=1;i<=count ;i++ )
			 {
			 if(id==i){
				 document.getElementById(name+i).style.display="block";
				// document.getElementById(name+"_"+i).background='images/an-a.jpg';
			 }else{
				 document.getElementById(name+i).style.display="none";
				 //document.getElementById(name+"_"+i).background='images/an-b.jpg'
			      }
			 }
		 }