// Javascript for Front Page Rollover
function MM_findObj(n, d) {
  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 setVis(id, vis, displayNone) {
    if (id != '') {
        if (displayNone == undefined || (displayNone != true && displayNone != false)) {
            displayNone = true;
        }
	    obj = MM_findObj(id);
	    if (obj == undefined) {
	        return;
	    }
	    if(document.getElementById || document.all){//all the modern browsers
		    obj.style.visibility = vis ? "visible" : "hidden";
		    if (displayNone) {
		        obj.style.display = vis ? "block" : "none";
		    }
	    }
	    else if(document.layers){//this is NS4
		    obj.visibility = vis ? "show" : "hide";
		    if (displayNone) {
    		    obj.display = vis ? "block" : "hide";
            }
	    }  
	}
}