sfHover = function() {
	var sfEls = document.getElementById("menu").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);

function validate_email(field,alerttxt) {
	with (field) { 
		apos=value.indexOf("@");
		dotpos=value.lastIndexOf(".");
		if (apos<1||dotpos-apos<2) {alert(alerttxt);return false;}
		else { return true; }
	}
}
function validate_form(thisform,fieldtovalidate)
{
	with (thisform)
	{
	if (validate_email(fieldtovalidate,"Not a valid e-mail address!")==false)
	  { return false;}
	}
}