function setTab(tab)
{
	if( tab.tagName != "LI" || tab.className == "selected" )
		return;
	var i, node;
	var parent = tab.parentNode;
	if( !parent || parent.tagName != "UL")
		return;

	for(i=0; i<parent.childNodes.length; i++)
	{
		node = parent.childNodes[i];
		if( node.tagName != "LI" )
			continue;
		if( node == tab )
			node.className = "selected";
		else
			node.className = "";
	}
	tab.blur();
}

var DOM = window.Element;

function go(url){
	if (url) document.location.href=url;
}

function validateContactForm(elemName){

	var frm = document.forms.contact;

	for(var i=0; i<frm.elements.length; i++){
		if (frm.elements[i].type == 'text' || frm.elements[i].type == 'textarea' ){
			if (frm.elements[i].name == elemName){
				if (frm.elements[elemName].value == defValues[elemName]){
					frm.elements[elemName].value = '';
				}
			}else{
				elname = frm.elements[i].name;
				if (frm.elements[elname].value == defValues[elname] || frm.elements[elname].value == '')
					frm.elements[elname].value = defValues[elname];
			}
		}
	}
}