if (document.images) {

//	why = new Image
//	whyon = new Image


//     why.src = 'pix/nav_why_off.gif'
  //   whyon.src = 'pix/nav_why_on.gif'
     
    
 }

 function ChangeImg(id,name){
  if (document.images) {document.images[id].src=eval(name+".src"); }
}


function openWin(url, name, width,height) {
  popupWin = window.open(url, name, 'menubar=no,status=no,toolbars=no,resizable=yes,scrollbars=yes,width='+width+',height='+height+',screenX=100,left=100,screenY=0,top=0')
popupWin.focus();
 msgWindow.opener = self;
  }

function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}


//submenu js
function toggleBox(szDivID, iState) // 1 visible, 0 hidden
{
    if(document.layers)	   //NN4+
    {
       document.layers[szDivID].visibility = iState ? "show" : "hide";
       document.layers[szDivID].display = iState ? "block" : "none";
    }
    else if(document.getElementById)	  //gecko(NN6) + IE 5+
    {
        var obj = document.getElementById(szDivID);
        obj.style.visibility = iState ? "visible" : "hidden";
        obj.style.display = iState ? "block" : "none";
    }
    else if(document.all)	// IE 4
    {
        document.all[szDivID].style.visibility = iState ? "visible" : "hidden";
        document.all[szDivID].style.display = iState ? "block" : "none";
    }

}


var state = 'none';

function showhide(layer_ref) {

if (state == 'block') {
state = 'none';
}
else {
state = 'block';
}
if (document.all) { //IS IE 4 or 5 (or 6 beta)
eval( "document.all." + layer_ref + ".style.display = state");
}
if (document.layers) { //IS NETSCAPE 4 or below
document.layers[layer_ref].display = state;
}
if (document.getElementById &&!document.all) {
hza = document.getElementById(layer_ref);
hza.style.display = state;
}
}