//change the opacity for different browsers
function changeOpac(opacity, id) {
    var object = document.getElementById(id).style;
    object.opacity = (opacity / 100);
    object.MozOpacity = (opacity / 100);
    object.KhtmlOpacity = (opacity / 100);
    object.filter = "alpha(opacity=" + opacity + ")";
}


function ClickEmail(){
	var obj=document.getElementById("usermail");
	if(obj.value=="Your E-mail")
		obj.value="";
}
function BlurEmail(){
	var obj=document.getElementById("usermail");
	if(obj.value=="")
		obj.value="Your E-mail";
}


function CheckMail(){

	var filter =/^.+\@.+..{2,3}$/ ;
	
	var obj=document.getElementById("usermail");
	
	if(obj.value=="" || !filter.test(obj.value)){
 		alert("Enter a valid mail address");
 		obj.focus();
 		obj.select();
 		return;
 	}
 	
 	$("SubscribeResult").style.display="inline";
 	
 	ajax.getNoCache("process.php?__type__=EmailSigUp&email="+URLEncode(obj.value), _ProcessAjaxResponse);	
	
}