function check_domain() {
	url = "checkdomain.php?domain=" + document.check_domain_form.domain.value;
	window.open(url, 'newwindow', 'height=100,width=200,toolbar=no,menubar=no,scrollbars=no,resizable=no,top=200,left=250,directories=no,status=no');
}

function checkdomain(){
	var target = document.check_domain_form;
	document.getElementById("msg").innerHTML = "";
	
    if(Trim(target.domain.value) != ""){
		var t1 = target.domain.value;
		var pattern = /^([\w-]+\.)+[\w-]{2,4}$/;
		var pattern2 = /^(([^x00-xff]|[\w-])+\.)+[\w-]{2,4}$/;
				
		if ((!pattern.test(target.domain.value) && !pattern2.test(target.domain.value))|| t1.length<2 || t1.substring(0,1) =='-' || t1.substring(t1.length-1,t1.length)=='-'){
			document.getElementById("msg").innerHTML = "<font color='#ee0000'>Domain invalid</font>";
		}else{
			document.getElementById('msg').innerHTML = "Search...";
			sendRequest(showForm, "&domain=" + target.domain.value, 'POST', 'checkdomain.php', true, true);
		}
    }else{
		document.getElementById("msg").innerHTML = "Please input the domain";
	}
	
	return false;
}

function showForm(val){
	 var res = val.responseText;
	 	document.getElementById('msg').innerHTML = val.responseText;
	 
}