RollOff = new Array();
RollOn = new Array();
	
RollOff[0] = "images/tabs/tabHomeOff.gif";
RollOff[1] = "images/tabs/tabServicesOff.gif";
RollOff[2] = "images/tabs/tabEquipmentOff.gif";
RollOff[3] = "images/tabs/tabSafetyOff.gif";
RollOff[4] = "images/tabs/tabLocationsOff.gif";
RollOff[5] = "images/tabs/tabCareersOff.gif";
RollOff[6] = "images/tabs/tabAwardsOff.gif";
RollOff[7] = "images/tabs/tabNewsOff.gif";
RollOff[8] = "images/tabs/tabPersonnelOff.gif";
RollOff[9] = "images/tabs/tabIndustryOff.gif";
RollOff[10] = "images/tabs/tabEditWebpagesOff.gif";
RollOff[11] = "images/tabs/tabEditCareersOff.gif";
RollOff[12] = "images/tabs/tabLogoutOff.gif";

RollOn[0] = "images/tabs/tabHomeOn.gif";
RollOn[1] = "images/tabs/tabServicesOn.gif";
RollOn[2] = "images/tabs/tabEquipmentOn.gif";
RollOn[3] = "images/tabs/tabSafetyOn.gif";
RollOn[4] = "images/tabs/tabLocationsOn.gif";
RollOn[5] = "images/tabs/tabCareersOn.gif";
RollOn[6] = "images/tabs/tabAwardsOn.gif";
RollOn[7] = "images/tabs/tabNewsOn.gif";
RollOn[8] = "images/tabs/tabPersonnelOn.gif";
RollOn[9] = "images/tabs/tabIndustryOn.gif";
RollOn[10] = "images/tabs/tabEditWebpagesOn.gif";
RollOn[11] = "images/tabs/tabEditCareersOn.gif";
RollOn[12] = "images/tabs/tabLogoutOn.gif";

function on(obj,id)
{
	obj.src = RollOn[id];
}

function off(obj,id)
{
	obj.src = RollOff[id];
}

function openWin(url,width,height)
{
	var left = (screen.width - width) / 2;
	var top = (screen.height - height) / 2;
	window.open(url,'newwin','location=no,toolbar=no,status=no,menubar=no,scrollbars=no,width=' + 
		width + ',height=' + height + ',left=' + left + ', top=' + top + ',resizable=yes');
}