function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_showHideLayers() { //v6.0
	var i,p,v,obj,args=MM_showHideLayers.arguments;
	for (i=0; i<(args.length-2); i+=3){
		if ((obj=MM_findObj(args[i]))!=null) { 
			v=args[i+2];
    		if (obj.style) { 
				obj=obj.style;
				v=(v=='show')?'visible':(v=='hide')?'hidden':v; 
			}
    		obj.visibility=v; 
		}
	}
}

function set_tab(n){
	for(i=1; i<=4; i++){
		if(n==i){
			document.getElementById("current"+i+"").style.background = "url(images/left_title04b.gif)";
			document.getElementById("current"+i+"").style.padding="3px 5px 3px 5px";
		}else{
			document.getElementById("current"+i+"").style.background = "url(images/left_title04.gif)";
			document.getElementById("current"+i+"").style.padding="3px 5px 2px 5px";
		}
	}
}