sfHover = function() {
	var sfEls = document.getElementById("nav").getElementsByTagName("LI");
	for (var i=0; i<sfEls.length; i++) {
		sfEls[i].onmouseover=function() {
			this.className+=" sfhover";
		}
		sfEls[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
		}
	}
}
if (window.attachEvent) window.attachEvent("onload", sfHover);
// pop up window -- pass url, width and height on the call
var window1
function open_window(URL,WID,HITE){
window1 = window.open(URL,"window1",'toolbar=no,location=0,directories=no,status=no,menubar=no,scrollbars=no,resizable=no,width=' + WID + ',height=' + HITE);
}



function surfto(form)
{
  var whereto=form.jump.selectedIndex
  if (form.jump.options[whereto].value != 0)
  {
    location=form.jump.options[whereto].value;
  }
}

//alert(navigator.userAgent);
if (document.images) {
	img1on 		= new Image();
	img1on.src 	= "images/hg_products_on.jpg";
	img1off		= new Image();
	img1off.src = "images/hg_products_off.jpg";

	img2on 		= new Image();
	img2on.src 	= "images/hg_salesreps_on.jpg";
	img2off		= new Image();
	img2off.src = "images/hg_salesreps_off.jpg";

	img3on 		= new Image();
	img3on.src 	= "images/hg_about_on.jpg";
	img3off		= new Image();
	img3off.src = "images/hg_about_off.jpg";
	
	img4on 		= new Image();
	img4on.src 	= "images/hg_contact_on.jpg";
	img4off		= new Image();
	img4off.src = "images/hg_contact_off.jpg";

	img5on 		= new Image();
	img5on.src 	= "images/hg_resources_on.jpg";
	img5off		= new Image();
	img5off.src = "images/hg_resources_off.jpg";

}

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