function Inint_AJAX() {
   try { return new ActiveXObject("Msxml2.XMLHTTP");  } catch(e) {} //IE
   try { return new ActiveXObject("Microsoft.XMLHTTP"); } catch(e) {} //IE
   try { return new XMLHttpRequest(); } catch(e) {} //Native Javascript
   alert("XMLHttpRequest not supported");
   return null;
};
function usercheck(src,act,val) {
	//alert(src+"-"+act+"-"+val);
	
     var req = Inint_AJAX();
     req.onreadystatechange = function () { 
          if (req.readyState==4) {
               if (req.status==200) {
				 // alert(req.responseText);
				  document.getElementById(src).innerHTML=req.responseText; 
				  }
               } 
     };	
	req.open("GET", "check.php?act="+act+"&id="+val.value); 
	  //alert(src+act+val.value); 
     req.setRequestHeader("Content-Type", "application/x-www-form-urlencoded;charset=tis-620"); // set Header
     req.send(null);
	 }	 	 	 	 
	 //EMAIL ADDRESS
	  function emailcheck(src,act,val) {
	//alert(src+"-"+act+"-"+val);
	
     var req = Inint_AJAX();
     req.onreadystatechange = function () { 
          if (req.readyState==4) {
               if (req.status==200) {
				  //alert(req.responseText);
				  document.getElementById(src).innerHTML=req.responseText; 
				  }
               } 
     };	
	req.open("GET", "check.php?act="+act+"&id="+val.value); 
	  //alert(src+act+val.value); 
     req.setRequestHeader("Content-Type", "application/x-www-form-urlencoded;charset=tis-620"); // set Header
     req.send(null);
	 }