function formValidate(frm)
{
    
    var filter=/^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i;

	if(frm.customername.value == "")
    {
        alert("Please Enter Customer Username");
        frm.customername.focus();
        return false;
    }
    else if(frm.full_name.value == "")
    {
        alert("Please Enter Customer Full Name");
        frm.full_name.focus();
        return false;
    }
    else if(frm.cust_password.value == "")
    {
        alert("Please Enter Customer Password");
        frm.cust_password.focus();
        return false;
    }
    else if(frm.email.value == "")
    {
        alert("Please Enter Customer Email");
        frm.email.focus();
        return false;
    }
    else if(frm.company_name.value == "")
    {
        alert("Please Enter Company Name");
        frm.company_name.focus();
        return false;
    }
    else if(frm.address.value == "")
    {
        alert("Please Enter Customer Address");
        frm.address.focus();
        return false;
    }
    else if(frm.city.value == "")
    {
        alert("Please Enter City");
        frm.city.focus();
        return false;
    }
    else if(frm.state.value == "")
    {
        alert("Please Enter state");
        frm.city.focus();
        return false;
    }
    else if(frm.country_id.value == "")
    {
        alert("Please Select Country");
        frm.country_id.focus();
        return false;
    }
    else if(frm.phone.value == "")
    {
        alert("Please Enter Customer Phone");
        frm.phone.focus();
        return false;
    }

    else if(frm.flag.value==0 && frm.action.value=='add')
    {
        alert("Customer Already Exists");
        frm.customername.focus();
        return false;
    }
    
    else
        return true;
}

function checkAvailable(username)
    {
		 if (window.XMLHttpRequest)
			 http_request = new XMLHttpRequest();
	
		 else if (window.ActiveXObject)
			 http_request = new ActiveXObject("Microsoft.XMLHTTP");
	
		 if(username=='')
         {
         	return false;
         }
         if(document.getElementById('action').value == 'update')
         {
         	item = 'edit';
            cust_id = document.getElementById('customer_id').value;
         }
         else
         {
         	item = '';
            cust_id = '';
         }
		 url ='https://autoquestjapan.com/secure/actions/customers.action.php?action=checkAvailable&username='+username+'&item='+item+'&cust_id='+cust_id;
		 //window.open(url);
		try
		{
			
			http_request.open('GET', url,true);
		} 
		catch(err){alert(err.toString());}
		
		http_request.onreadystatechange = handleResponseUsername;     	
		
		try
		{
			http_request.send(null);		
		}
		catch(err){alert(err.toString());}
    
    }
    
    function handleResponseUsername()
	{
	    var xmldoc = http_request.responseXML;
		
        if(http_request.readyState == 4 )
		{

            if(xmldoc.getElementsByTagName('FLAG')[0].firstChild.data==1)
            {
            	document.getElementById("msgAvl").innerHTML = '<span class="must_field">Username Already Exisits</span>'
            	document.getElementById("flag").value = 0;
                
                
            }
	
            else if(xmldoc.getElementsByTagName('FLAG')[0].firstChild.data==0)
            {
            	document.getElementById("msgAvl").innerHTML = '<span class="no_error">Username Available</span>'
            	document.getElementById("flag").value = 1;                
            }

		}
	}