// ||||||||||||||||||||||||||||||||||||||||||||||||||
// centered pop-up window

function winBRopen(theURL, Name, popW, popH, scroll) { 
var winleft = (screen.width - popW) / 2; 
var winUp = (screen.height - popH) / 2; 
winProp = 'width='+popW+',height='+popH+',left='+winleft+',top='+winUp+',scrollbars='+scroll+',resizable'
Win = window.open(theURL, Name, winProp) 
if (parseInt(navigator.appVersion) >= 4) { Win.window.focus(); } 
}

function clearzip(el)
{
	el.value = "";
}

function checkzip(select_zip)
{
	if (document.select_zip.zb.length < 5) { alert("Zip code must be 5 characters."); }
}
//-->

function ckzip(select_zip)
{
	if (document.select_zip.zb.value.length < 5)
	{
	alert("Please make sure you have entered a valid zip code.")
	document.select_zip.zb.focus()
	return false;
	}	
}