//This script disables KeyDown/KeyPress event on browsers when users press the backspace button
if (typeof window.event != 'undefined')
	document.onkeydown = function()
	{
		if (event.srcElement.tagName.toUpperCase() != 'INPUT' && event.srcElement.tagName.toUpperCase() != 'TEXTAREA') {

			return (event.keyCode != 8)
		}
		else
		    return (event.srcElement.readOnly == false);
	};
else
	document.onkeypress = function(e)
	{

		if (e.target.tagName.toUpperCase() != 'INPUT' && e.target.tagName.toUpperCase() != 'TEXTAREA') {
			return (e.keyCode != 8);

		}
		else
		    return (e.target.readOnly == false);
	};