var   CurrentID="";  
  function   ClickEvent(tdID)  
  {  
  if(CurrentID!="")  
  {  
  eval(CurrentID+".className='bg4'");  
  }  
  CurrentID=tdID.id;  
  }  
  function   OutEvent(tdID)  
  {  
  if(CurrentID==tdID.id)  
  {  
  tdID.className='bg4';  
  }  
  else  
  {  
  tdID.className='bg4';  
  }  
  }  
  
   
  var   CurrentID="";  
  function   ClickUp(tdID)  
  {  
  if(CurrentID!="")  
  {  
  eval(CurrentID+".className='bg6'");  
  }  
  CurrentID=tdID.id;  
  }  
  function   OutUp(tdID)  
  {  
  if(CurrentID==tdID.id)  
  {  
  tdID.className='bg6';  
  }  
  else  
  {  
  tdID.className='bg6';  
  }  
  }  


function setnav(){
    var dep_nav=document.getElementById("dep_nav");
    var per_nav=document.getElementById("per_nav");
	var btn=document.getElementById("btn");
	if(dep_nav.style.display=="none"){
	    dep_nav.style.display="block";
	    per_nav.style.display="none";
		dtn.src="img/in_tobn.gif";
		}else{
	    dep_nav.style.display="none";
	    per_nav.style.display="block";
		dtn.src="img/in_tobn1.gif";
		}
		}


function disp(div){
	    var div=document.getElementById(div);
		if(div.style.display=="none"){
			div.style.display="block";
		}else{
			div.style.display="none"
		}
}

function hid(div){
	      var div=document.getElementById(div);
		  div.style.display="none"
}
function blo(div){
	      var div=document.getElementById(div);
		  div.style.display="block"
}


function show_nav(num){
	        var off="leb_on";
			var on="leb";
	        var btn=document.getElementById("b"+num);
			var div=document.getElementById("d"+num);
			if(btn.className==off){
				btn.className=on;
				if(div!=null){
				div.style.display="block";
				}
			}else{
				btn.className=off;
				if(div!=null){
				div.style.display="none";
				}
			}
}
function hid(div){
	      var div=document.getElementById(div);
		  div.style.display="none"
}
function blo(div){
	      var div=document.getElementById(div);
		  div.style.display="inline"
}


function $(obj){
return document.getElementById(obj);
}
    
function change(n){
for (var i=1;i<6;i++){
if(n==i){
$("a"+i).style.zIndex="100";
}else{
$("a"+i).style.zIndex="0";
}
}
}