function addLoadListener(fn)
{
	if (typeof window.addEventListener != 'undefined')
	{
	window.addEventListener('load', fn, false);
}
else if (typeof document.addEventListener != 'undefined')
{
	document.addEventListener('load', fn, false);
}
else if (typeof window.attachEvent != 'undefined')
{
	window.attachEvent('onload', fn);
}
else
{
	var oldfn = window.onload;
	if (typeof window.onload != 'function')
	{
	window.onload = fn;
	}
	else
	{
	window.onload = function()
	{
	oldfn();
	fn();
	};
	}
	}
}

addLoadListener(findDealerBox)

function findDealerBox() {

var myPostalBox = document.getElementById("postal_code");
var myPostalBoxValue = document.getElementById("postal_code").value;

	myPostalBox.onfocus = function() {
		if (myPostalBox.value == myPostalBoxValue)
			myPostalBox.value = "";
	}
	
	myPostalBox.onblur = function() {
		if (myPostalBox.value == '')
			myPostalBox.value = myPostalBoxValue;
	}

}