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 disDiv(id,tot)
{
	for(i=0;i<tot;i++){
		if(id == i ){
		  document.getElementById('div'+i).style.display="block" ;
		  document.getElementById('div'+i).style.visibility="visible" ;
		}
		else {
		  document.getElementById('div'+i).style.display="none" ;
		  document.getElementById('div'+i).style.visibility="hidden" ;
		}
   }
}

function explainDiv(id)
{
	for(i=0;i<4;i++){
		if(id == i ){
		  document.getElementById('exp'+i).style.display="block" ;
		  document.getElementById('exp'+i).style.visibility="visible" ;
		}
		else {
		  document.getElementById('exp'+i).style.display="none" ;
		  document.getElementById('exp'+i).style.visibility="hidden" ;
		}
   }
}



function tabs(tabId){
	for(count=0; count<=3; count++){
		var tabname = "li"+count
		if(count == tabId){
			document.getElementById(tabname).className = "current_tab";
		}else{
			document.getElementById(tabname).className = "";
		}	
	}	

}




function changeImage( imagename, graphType ){
	document.images.graph.src = "/tempImages/" + imagename
}