function chk_edit_profile(){
	if (document.frm_edit_detail.data_member_password.value==""){
		alert("Please type password !")
		document.frm_edit_detail.data_member_password.focus();
		return false;
	}
	if (document.frm_edit_detail.verify_password.value==""){
		alert("Please type verify password !")
		document.frm_edit_detail.verify_password.focus();
		return false;
	}
	if (document.frm_edit_detail.data_member_password.value!=document.frm_edit_detail.verify_password.value){
		alert("Password not match!")
		document.frm_edit_detail.verify_password.focus();
		return false;
	}
	//Check first
	if (document.frm_edit_detail.data_member_lastname.value == ""){
		alert("Please enter your last name");
		document.frm_edit_detail.data_member_lastname.focus();
		return false;
	}
		
	//Check last
	if (document.frm_edit_detail.data_member_firstname.value == ""){
		alert("Please enter your first name");
		document.frm_edit_detail.data_member_firstname.focus();
		return false;
	}
	
       //Check country
	if (document.frm_edit_detail.data_member_country.value == ""){
		alert("Please enter your country");
		document.frm_edit_detail.data_member_country.focus();
		return false;
	}

       //Check Sex
	if (document.frm_edit_detail.data_member_sex.value == ""){
		alert("Please enter your sex");
		document.frm_edit_detail.data_member_sex.focus();
		return false;
	}
        //Check Seek
	if (document.frm_edit_detail.data_member_interested.value == ""){
		alert("Please enter your interested");
		document.frm_edit_detail.data_member_interested.focus();
		return false;
	}
        //Check relationship
	if (document.frm_edit_detail.data_member_relationship.value == ""){
		alert("Please enter your relationship");
		document.frm_edit_detail.data_member_relationship.focus();
		return false;
	}
        //Check Age
	if (document.frm_edit_detail.data_member_age.value == ""){
		alert("Please enter your age");
		document.frm_edit_detail.data_member_age.focus();
		return false;
	}

        //Check Headline
	if (document.frm_edit_detail.data_member_headline.value == ""){
		alert("Please enter your Headline");
		document.frm_edit_detail.data_member_headline.focus();
		return false;
	}
	
	return true;
}
function chkfrmregstep1(){
	if (document.reg_step1.data_member_email.value==""){
		alert("Please type email !")
		document.reg_step1.data_member_email.focus();
		return false;
	}
	if (document.reg_step1.verify_email.value==""){
		alert("Please retype email !")
		document.reg_step1.verify_email.focus();
		return false;
	}
	if (document.reg_step1.data_member_password.value==""){
		alert("Please retype email !")
		document.reg_step1.data_member_password.focus();
		return false;
	}
	if (document.reg_step1.verify_password.value==""){
		alert("Please retype email !")
		document.reg_step1.verify_password.focus();
		return false;
	}
	if (document.reg_step1.data_member_email.value!=document.reg_step1.verify_email.value){
		alert("Email not match!")
		document.reg_step1.verify_email.focus();
		return false;
	}
	if (document.reg_step1.data_member_password.value!=document.reg_step1.verify_password.value){
		alert("Password not match!")
		document.reg_step1.verify_password.focus();
		return false;
	}
 var testresults
 var str=document.reg_step1.data_member_email.value
 var filter=/^.+@.+\..{2,3}$/

 	if (filter.test(str))
    	testresults=true
	 else {
	    alert("Please enter a valid email address")
	    document.reg_step1.data_member_email.focus();
    	return false;
	}
	return true;
}
//Su dung cho ComboBox
function ComboBox_Changed(targ,selObj,url_parameter){
  eval(targ+".location='"+ url_parameter + selObj.options[selObj.selectedIndex].value+"'");
}
//Su dung cho tinh hop le cua Form
function validate_form(form_name)
{
	var obj_form;
	obj_form=document.forms[form_name];
	for(i=0;i<obj_form.length;i++)
	{
		if (/*obj_form.elements[i].name.substring(0,4)=="data" && */obj_form.elements[i].id=="")
		{
			if (obj_form.elements[i].value=="")
			{
				alert("Some fields is not complete");
				obj_form.elements[i].style.backgroundColor="#FFFFCC";
				obj_form.elements[i].focus();
				return false;
			}
			else
			{
				obj_form.elements[i].style.backgroundColor="#FFFFFF";
			}
		}
	}
	//document.myform.data2.
	return true;
}

//Function check form login by handle
function chkfrmloginbyhandle(){
	if (document.LOGIN.handle.value==""){
		alert("Please type handle !")
		document.LOGIN.handle.focus();
		return false;
	}
	if (document.LOGIN.password1.value==""){
		alert("Please type password !")
		document.LOGIN.password1.focus();
		return false;
	}
	return true;
}

//Function check form quick search
function checkquickform(){
	if (document.frmquicksearch.start_age.value > document.frmquicksearch.end_age.value){
		alert("Age invalidate !");
		document.frmquicksearch.start_age.focus();
		return false;
	}
	return true;
}

function checksinglesearch(){
	if (document.simplesearchfrm.start_age1.value > document.simplesearchfrm.end_age1.value){
		alert("Age invalidate !");
		document.simplesearchfrm.start_age1.focus();
		return false;
	}
	return true;
}
//Function to check that the form is filled in correctly
function CheckForm () {
	//Check first
	if (document.reg_step2.data_member_lastname.value == ""){
		alert("Please enter your last name");
		document.reg_step2.data_member_lastname.focus();
		return false;
	}
		
	//Check last
	if (document.reg_step2.data_member_firstname.value == ""){
		alert("Please enter your first name");
		document.reg_step2.data_member_firstname.focus();
		return false;
	}
	
       //Check country
	if (document.reg_step2.data_member_country.value == ""){
		alert("Please enter your country");
		document.reg_step2.data_member_country.focus();
		return false;
	}

       //Check Sex
	if (document.reg_step2.data_member_sex.value == ""){
		alert("Please enter your sex");
		document.reg_step2.data_member_sex.focus();
		return false;
	}
        //Check Age
	if (document.reg_step2.data_member_age.value == ""){
		alert("Please enter your age");
		document.reg_step2.data_member_age.focus();
		return false;
	}
        //Check Month
	if (document.reg_step2.data_member_birth_month.value == ""){
		alert("Please enter your date of birth");
		document.reg_step2.data_member_birth_month.focus();
		return false;
	}
        //Check Day
	if (document.reg_step2.data_member_birth_day.value == ""){
		alert("Please enter your date of birth");
		document.reg_step2.data_member_birth_day.focus();
		return false;
	}
	//Check height
	if (document.reg_step2.data_member_height.value == ""){
		alert("Please enter your height");
		document.reg_step2.data_member_height.focus();
		return false;
	}	
	//Check height
	if (document.reg_step2.data_member_weight.value == ""){
		alert("Please enter your height");
		document.reg_step2.data_member_weight.focus();
		return false;
	}	
	//Check for HTML tags before submitting the form	
	for (var count = 0; count <= 3; ++count){
		if ((document.reg_step2.elements[count].value.indexOf("<", 0) >= 0) && (document.reg_step2.elements[count].value.indexOf(">", 0) >= 0)){
			alert("Sorry, HTML tags are not permitted");
			document.reg_step2.elements[count].focus();
			return false;
		}			
	}	
	
	return true
}
function popupWindow(url) {
  window.open(url,'popupWindow','toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no,copyhistory=no,width=350,height=500,screenX=50,screenY=50,top=50,left=50')
}
function chk_email_form(){
	if ((document.frm_sendmail.data_message_subject.value=="") || (document.frm_sendmail.data_message_content.value==""))  {
		alert("Please fill message !")
		document.frm_sendmail.data_message_content.focus();
		return false;
	}
	return true;
}
function open_popup_basket(url){
	popup_basket_window=window.open(url,'popupWindow','toolbar=no,location=no,directories=no,status=yes,menubar=no,scrollbars=no,resizable=yes,copyhistory=no,width=320,height=500,screenX=50,screenY=50,top=50,left=50');
	popup_basket_window.focus();
	//popup_basket_window.location.reload();
	if (!popup_basket_window.opener) popup_basket_window.opener=self;
}