function a(i){
					a(i);
				}
				function a(i){
					switch(i){
						case 1:
						document.getElementById("a1").style.display="block";
						document.getElementById("a2").style.display="none";
						document.getElementById("a3").style.display="none";
						document.getElementById("a4").style.display="none";
						document.getElementById("a5").style.display="none";
						document.getElementById("a6").style.display="none";
						document.getElementById("a7").style.display="none";
						break;
						case 2:
						document.getElementById("a1").style.display="none";
						document.getElementById("a2").style.display="block";
						document.getElementById("a3").style.display="none";
						document.getElementById("a4").style.display="none";
						document.getElementById("a5").style.display="none";
						document.getElementById("a6").style.display="none";
						document.getElementById("a7").style.display="none";				
						break;
						case 3:
						document.getElementById("a1").style.display="none";
						document.getElementById("a2").style.display="none";
						document.getElementById("a3").style.display="block";
						document.getElementById("a4").style.display="none";
						document.getElementById("a5").style.display="none";	
						document.getElementById("a6").style.display="none";
						document.getElementById("a7").style.display="none";			
						break;
						case 4:
						document.getElementById("a1").style.display="none";
						document.getElementById("a2").style.display="none";
						document.getElementById("a3").style.display="none";
						document.getElementById("a4").style.display="block";
						document.getElementById("a5").style.display="none";
						document.getElementById("a6").style.display="none";
						document.getElementById("a7").style.display="none";				
						break;
						case 5:
						document.getElementById("a1").style.display="none";
						document.getElementById("a2").style.display="none";
						document.getElementById("a3").style.display="none";
						document.getElementById("a4").style.display="none";
						document.getElementById("a5").style.display="block";
						document.getElementById("a6").style.display="none";
						document.getElementById("a7").style.display="none";				
						break;
						case 6:
						document.getElementById("a1").style.display="none";
						document.getElementById("a2").style.display="none";
						document.getElementById("a3").style.display="none";
						document.getElementById("a4").style.display="none";
						document.getElementById("a5").style.display="none";
						document.getElementById("a6").style.display="block";
						document.getElementById("a7").style.display="none";				
						break;
						case 7:
						document.getElementById("a1").style.display="none";
						document.getElementById("a2").style.display="none";
						document.getElementById("a3").style.display="none";
						document.getElementById("a4").style.display="none";
						document.getElementById("a5").style.display="none";
						document.getElementById("a6").style.display="none";
						document.getElementById("a7").style.display="block";				
						break;
							
				}
			}
			
			
function nTabs(thisObj,Num){
if(thisObj.className == "active")return;
var tabObj = thisObj.parentNode.id;
var tabList = document.getElementById(tabObj).getElementsByTagName("li");
for(i=0; i <tabList.length; i++)
{
if (i == Num)
{
   thisObj.className = "active"; 
      document.getElementById(tabObj+"_Content"+i).style.display = "block";
}else{
   tabList[i].className = "normal"; 
   document.getElementById(tabObj+"_Content"+i).style.display = "none";
}
} 
}