function dolayerChange(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/index_56.jpg';
			 }else{
				 document.getElementById(name+i).style.display="none";
				 document.getElementById(name+"_"+i).background='images/index_58.jpg'
			      }
			 }
		 }
		 
function dolayerChange_1(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/index_115.jpg';
				 document.getElementById("a"+name+"_"+i).className='T_white';
			 }else{
				 document.getElementById(name+i).style.display="none";
				 document.getElementById(name+"_"+i).background=''
				 document.getElementById("a"+name+"_"+i).className='T_style7';
			      }
			 }
		 }

function dolayerChange_2(id,name,image,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=image;
				// document.getElementById("a"+name+"_"+i).className='T_white';
			 }else{
				 document.getElementById(name+i).style.display="none";
				 document.getElementById(name+"_"+i).background=''
				// document.getElementById("a"+name+"_"+i).className='T_style7';
			      }
			 } 
		 }


function dolayerChange_3(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'
			      }
			 }
		 }
//ÎÞ±³¾°
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'
			      }
			 }
		 }