function validate(obj){
	
	if(obj.namex.value=='') {		
		alert("Please input your first name !");
		obj.namex.focus();
		return false;
	}			
	if(!/'[\w\-\+\.]{1,25}@(([\w\-]+\.{1}){1,4}[a-z]{2,3}){1}'/i.test("'"+obj.email_from.value+"'")) {
		alert("Please input your valid email !");
		obj.email_from.focus();
		return false;
	}
	if(obj.email_to.value.length <5 ) {
		alert("Please input at least one valid email !");
		obj.email_to.focus();
		return false;
	}
	return true;
}
	
function validateSuscribe() {		
	if(!/'[\w\-\+\.]{1,25}@(([\w\-]+\.{1}){1,4}[a-z]{2,3}){1}'/i.test("'"+document.form.email.value+"'")) {
		alert("Please input your valid email !");
		document.form.email.focus();
	return false;
	}		
	return true;
}