// over-ride the alert method only if this a newer browser.
// Older browser will see standard alerts
if(document.getElementById) 
{
			window.confirm = function(txt) { createCustomAlert(txt);}
}

function createCustomAlert(txt) {

		var ALERT_TITLE = "";
		var ALERT_BUTTON_TEXT = "Close";

		// shortcut reference to the document object
		d = document;

		// if the modalContainer object already exists in the DOM, bail out.
		if(d.getElementById("modalContainer")) return;

		// create the modalContainer div as a child of the BODY element
		mObj = d.getElementsByTagName("body")[0].appendChild(d.createElement("div"));
		mObj.id = "modalContainer";
		// make sure its as tall as it needs to be to overlay all the content on the page
		mObj.style.height = document.documentElement.scrollHeight + "px";

		// create the DIV that will be the alert 
		alertObj = mObj.appendChild(d.createElement("div"));
		alertObj.id = "alertBox";
		// MSIE doesnt treat position:fixed correctly, so this compensates for positioning the alert
		if(d.all && !window.opera) alertObj.style.top = document.documentElement.scrollTop + "px";

		// center the alert box
		alertObj.style.left = (d.documentElement.scrollWidth - alertObj.offsetWidth)/2 + "px";
		alertObj.style.top = (d.documentElement.scrollHeight - alertObj.offsetHeight)/2 + "px";	

		// create a paragraph element to contain the txt argument
		msg = alertObj.appendChild(d.createElement("img"));
		msg.src = txt;		

		// create an anchor element to use as the confirmation button.
		btn = alertObj.appendChild(d.createElement("a"));
		btn.id = "closeBtn";
		btn.appendChild(d.createTextNode(ALERT_BUTTON_TEXT));
		btn.href = "#";
		// set up the onclick event to remove the alert when the anchor is clicked
		btn.onclick = function() { removeCustomAlert();return false; }	
}

// removes the custom alert from the DOM
function removeCustomAlert() {
	document.getElementsByTagName("body")[0].removeChild(document.getElementById("modalContainer"));
}
function removeCustomAlert1() {
	document.getElementsByTagName("body")[0].removeChild(document.getElementById("modalContainer1"));
}