function nav() {
	var resultPage=document.sitebar.siteChoice;
	for (var i = 0; i < document.sitebar.siteChoice.length; i++) {
		if (resultPage.options[i].selected == true) {
			if (resultPage.options[i].value != "") {
				location.href=resultPage.options[i].value;
			}
		}
	}
}

if (document.images) {
      email = new Image();
      email.src = "images/email_off.gif";
      emailover = new Image();
      emailover.src = "images/email_on.gif";

}  

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

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


function popup(pagename,windowname,width,height,scroll) {

	var popup = window.open(pagename,windowname,"toolbar=no,directories=no,location=no,status=no,menubar=no,scrollbars="+scroll+",resizeable=no,width="+width+",height="+height+",left=0,top=0");



    popup.focus();



}