function openPopupWindow(p_sSrc, p_sWindowName, p_sWidth, p_sHeight) {
	   newWindow = window.open(p_sSrc, p_sWindowName, "width=" + p_sWidth + ", height=" + p_sHeight + ", resizable=1, scrollbars=1");
	   if (window.focus) {newWindow.focus();}
	}

	function trim(strText) {
		while ('' + strText.charAt(0) == ' ') {
			strText = strText.substring(1, strText.length);
		}
		while ('' + strText.charAt(strText.length-1)==' ') {
			strText = strText.substring(0, strText.length-1);
		}
		return strText;
	}

	function IsValidEmail(p_sEmail) {
		var bIsValidEmail = false;
		var oRegExp = /^([0-9a-zA-Z]([-.\w]*[0-9a-zA-Z])*@([0-9a-zA-Z][-\w]*[0-9a-zA-Z]\.)+[a-zA-Z]{2,9})$/i;
		var sEmail = trim(p_sEmail);
		bIsValidEmail = oRegExp.test(sEmail);
//				alert ("is valid email? " + bIsValidEmail);
		return bIsValidEmail;
	}