var oldSrc, oldName

HomeBtnOn = new Image(); HomeBtnOn.src = "../images/btn_blu_home_on.gif";
ProductsBtnOn = new Image(); ProductsBtnOn.src = "../images/btn_blu_products_on.gif";
ServicesBtnOn = new Image(); ServicesBtnOn.src = "../images/btn_blu_services_on.gif";
CaseStudiesBtnOn = new Image(); CaseStudiesBtnOn.src = "../images/btn_blu_casestudies_on.gif";

PressRoomBtnOn = new Image(); PressRoomBtnOn.src = "../images/btn_ora_pressroom_on.gif";
AboutUsBtnOn = new Image(); AboutUsBtnOn.src = "../images/btn_ora_aboutus_on.gif";
ClientAreaBtnOn = new Image(); ClientAreaBtnOn.src = "../images/btn_ora_clientarea_on.gif";
ContactBtnOn = new Image(); ContactBtnOn.src = "../images/btn_ora_contact_on.gif";

function swapOver(imgName) {
	if (document.images) {
		now = new Date();
		oldSrc = document[imgName].src;
		oldName = document[imgName].name;
		document.images[imgName].src = eval(imgName + "On.src") + "?" + now.getTime();
	}
}
function swapOut() {
	if (document.images){
		document.images[oldName].src = oldSrc;
	}
}

function newsletterSignUp(){
	if (document.forms['newsletterForm'].elements['email'].value != 'your@email.com')
		document.forms['newsletterForm'].submit();
	else
		alert("Please Enter Your Email");
		document.forms['newsletterForm'].elements['email'].focus();	
}

function validateForms(what) {
	//what = document.formName
	var valid = true;
	var errorName = false;
	var checkBoxes = false;
	var checkboxChecked = false;
	var radioButtons = false;
	var radioChecked = false;
	
	for (var i=0, j=what.elements.length; i<j; i++) {
		myType = what.elements[i].type;
		if(what.elements[i].name.indexOf('IsOpt') == -1){ 
			if (myType == 'radio') {
				radioButtons = true;
				if (what.elements[i].checked) radioChecked = true;
			}
			if (myType == 'checkbox') {
				checkBoxes = true;
				if (what.elements[i].checked) checkboxChecked = true;
			}
			if (myType == 'password' || myType == 'text' || myType == 'textarea'){
				if (what.elements[i].name == "Email"){
					if (what.elements[i].value.indexOf('@') < 1) valid = false;
				}
				if (what.elements[i].value == '' || what.elements[i].value == ' ') valid = false;
			}
			if (myType == 'select-one' || myType == 'select-multiple')
			if (what.elements[i].selectedIndex == 0) valid = false;
			if (valid == false && errorName == false) errorName = what.elements[i].name;
		}
	}
	if ((checkBoxes && !checkboxChecked) || (radioButtons && !radioChecked)) valid = false;
	if (!valid) {
		alert('There was an error with the field \n' + errorName);
		what.elements[errorName].focus();
	}
	return valid;
}