function setTab(name,cursel,n){
		 for(i=1;i<=n;i++){
		  var menu=document.getElementById(name+i);
		  var con=document.getElementById("con_"+name+"_"+i);
		  menu.className=i==cursel?"hover":"";
		  con.style.display=i==cursel?"block":"none";
		 }
		}
		
function setTab2(name,cursel,n,num){
		 for(i=1;i<=n;i++){
		  var menu=document.getElementById(name+i);
		  var con=document.getElementById("pro_"+name+"_"+i);
		  menu.className=i==cursel?"hover":"";
		  con.style.display=i==cursel?"block":"none";
		 }
		
		 if(num==1)
		  {
			  
			 document.getElementById("im2").src="images/bm_11.jpg";
			 document.getElementById("im3").src="images/bm_12.jpg";
			 document.getElementById("im4").src="images/bm_14.jpg";
			 document.getElementById("im1").src="images/bm_10.jpg";
		  }else if(num==2)
		  {  
		 	 document.getElementById("im1").src="images/bm_100.jpg";
			 document.getElementById("im3").src="images/bm_12.jpg";
			 document.getElementById("im4").src="images/bm_14.jpg";
			 document.getElementById("im2").src="images/bm_111.jpg";
		  }else  if(num==3)
		  {  
		 	 document.getElementById("im1").src="images/bm_100.jpg";
			 document.getElementById("im2").src="images/bm_11.jpg";
			 document.getElementById("im4").src="images/bm_14.jpg";
			 document.getElementById("im3").src="images/bm_122.jpg";
		  }else  if(num==4)
		  { 
		 	 document.getElementById("im1").src="images/bm_100.jpg";
			 document.getElementById("im2").src="images/bm_11.jpg";
			 document.getElementById("im3").src="images/bm_12.jpg";
			 document.getElementById("im4").src="images/bm_144.jpg";
		  }
		}