function checkform(thisform) {
        if (thisform.email.value.length < 1) { 
			alert("E-mail address is not correct or valid.\r\nPlease check your e-mail address again.");
			thisform.email.focus();
			 return false;
		}
        if(!checkRegExp(thisform.email.value)) { 
			alert("E-mail address is not correct or valid.\r\nPlease check your e-mail address again.");
			thisform.email.focus();
			return false;
		}
        return true;
    }

    function checkform2(thisform) {
        if (thisform.email.value.length < 1)	{
			alert("E-mail address is not correct or valid.\r\nPlease check your e-mail address again.");
			thisform.email.focus();
			return false;
		}
        if(!checkRegExp(thisform.email.value)) {
			alert("E-mail address is not correct or valid.\r\nPlease check your e-mail address again.");
			thisform.email.focus();
			return false;
		}
        if (thisform.zipcode.value.length < 1) {
			alert("Please check your Zip Code again.");
			thisform.zipcode.focus();
			return false;
		}
		return true;
	}

    function pop_wallpaper(img) {
        window.open("pop_wall.asp?img=" + img,"dahn","toolbar=no, scrollbars=no, resizable=no, width=420, height=320");
    }