function echeck(str) {

		var at="@"
		var dot="."
		var lat=str.indexOf(at)
		var lstr=str.length
		var ldot=str.indexOf(dot)
		if (str.indexOf(at)==-1){
		   alert("Invalid E-mail ID")
		   return false
		}

		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		   alert("Invalid E-mail ID")
		   return false
		}

		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		    alert("Invalid E-mail ID")
		    return false
		}

		 if (str.indexOf(at,(lat+1))!=-1){
		    alert("Invalid E-mail ID")
		    return false
		 }

		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		    alert("Invalid E-mail ID")
		    return false
		 }

		 if (str.indexOf(dot,(lat+2))==-1){
		    alert("Invalid E-mail ID")
		    return false
		 }
		
		 if (str.indexOf(" ")!=-1){
		    alert("Invalid E-mail ID")
		    return false
		 }

 		 return true					
	}
function validate()
{
	frm = document.registerFrm;
	
	if(frm.client_type.value=='')
	{
		alert("Please Select Client Type");
		frm.client_type.focus();
		return false;
	}
	else if(frm.first_name.value=='')
	{
		alert("Please Enter First Name");
		frm.first_name.focus();
		return false;
	}
	else if(frm.last_name.value=='')
	{
		alert("Please Enter Last Name");
		frm.last_name.focus();
		return false;
	}
	else if(frm.comp_name.value=='')
	{
		alert("Please Enter Company Name");
		frm.comp_name.focus();
		return false;
	}
	else if(frm.password.value=='')
	{
		alert("Please Enter Password");
		frm.password.focus();
		return false;
	}
	else if(frm.password.value != frm.cpassword.value)
	{
		alert("Password and Confirm Password do not match");
		frm.password.focus();
		return false;
	}	
	else if(frm.address.value=='')
	{
		alert("Please Fill in Address");
		frm.address.focus();
		return false;
	}
	else if(frm.city.value=='')
	{
		alert("Please Enter City");
		frm.city.focus();
		return false;
	}
	else if(frm.country.value=='')
	{
		alert("Please Enter Country");
		frm.country.focus();
		return false;
	}	
	else if(frm.phone.value=='')
	{
		alert("Please Enter Phone");
		frm.phone.focus();
		return false;
	}	
	else if(frm.email.value=='')
	{
		alert("Please Enter Email");
		frm.email.focus();
		return false;
	}
	else if(echeck(frm.email.value)==false)
	{
		frm.email.focus();
		return false;
	}
	else if(frm.monthly_volume.value=='')
	{
		alert("Please Select  Monthly Volume");
		frm.monthly_volume.focus();
		return false;
	}
	else if(frm.client_port.value=='')
	{
		alert("Please Select  Destination Port");
		frm.client_port.focus();
		return false;
	}	
	else if(frm.flag.value==0)
	{
		alert("The specified email address already exist");
		frm.email.focus();
		return false;
	}    
	else
	{
		return true;
	}
}

function checkAvailable(email)
    {
    
		 if (window.XMLHttpRequest)
			 http_request = new XMLHttpRequest();
	
		 else if (window.ActiveXObject)
			 http_request = new ActiveXObject("Microsoft.XMLHTTP");
	
		 
		 url ='http://www.autocraftjapan.com/ajax/email.ajax.php?email='+email;
		// window.open(url);
		try
		{
			
			http_request.open('GET', url,true);
		} 
		catch(err){alert(err.toString());}
		
		http_request.onreadystatechange = handleResponseEmail;     	
		
		try
		{
			http_request.send(null);		
		}
		catch(err){alert(err.toString());}
    
    }
    
    function handleResponseEmail()
	{
	    var xmldoc = http_request.responseXML;
		
        if(http_request.readyState != 4 )
		{
			document.getElementById("msgAvl").innerHTML = '<img src="http://www.autocraftjapan.com/theme/images/loading.gif" />'
		}
        if(http_request.readyState == 4 )
		{

            if(xmldoc.getElementsByTagName('FLAG')[0].firstChild.data==1)
            {
                document.getElementById("msgAvl").innerHTML = '<span class="tahoma_red"><strong>User with this Email Already Exsist</strong></span>'
            	document.getElementById("flag").value = 0;
            }
	
            else if(xmldoc.getElementsByTagName('FLAG')[0].firstChild.data==0)
            {
				document.getElementById("msgAvl").innerHTML = '<span class="tahoma_green"><strong>Email Verified</strong></span>'
            	document.getElementById("flag").value = 1;                
            }

		}
	}