var http_requests = false;
   function get_urlSite(url, parameters) {
	  http_requests = false;
      if (window.XMLHttpRequest) { // Mozilla, Safari,...
         http_requests = new XMLHttpRequest();
		 if (http_requests.overrideMimeType) {
            http_requests.overrideMimeType('text/xml');
         }
      } else if (window.ActiveXObject) { // IE
         try {
            http_requests = new ActiveXObject("Msxml2.XMLHTTP");
         } catch (e) {
            try {
               http_requests = new ActiveXObject("Microsoft.XMLHTTP");
            } catch (e) {}
         }
      }
      if (!http_requests) {
         alert('Cannot create XMLHTTP instance');
         return false;
      }

      http_requests.onreadystatechange = alertContents2;
      http_requests.open('POST', url, true);
      http_requests.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
      http_requests.setRequestHeader("Content-length", parameters.length);
      http_requests.setRequestHeader("Connection", "close");
      http_requests.send(parameters);
   }

   function alertContents2() {
   		try {
		        if (http_requests.readyState == 4) {
			         if (http_requests.status == 200) {
			            result = http_requests.responseText;
						document.getElementById("onlineSure").innerHTML = result;
			         } else {
			            //alert('Sayfa isteği zaman aşımına uğradı. Daha sonra lütfen tekrar deneyin.');
			         }
		      	}
		 }
		 catch(exception) {
					
		}
   }
   
   
	function timeUpOnline()
		{
			if (document.getElementById("onlineSure")){
				get_urlSite('http://www.kopekistan.com/includes/OnlineSure.php', '1=1');
			}
		}
		id=setInterval("timeUpOnline()",300000);
		
		
		
		
		function t_b_c(fieldname){
		  if(document.getElementById(fieldname).value == ""){
			  document.getElementById(fieldname).focus();
			  return false;
		  }
		return true;
		}
		
		function u_b_c(fieldname, U){
		  if(document.getElementById(fieldname).value.length < U){
			  document.getElementById(fieldname).focus();
			  return false;
		  }
		return true;
		}
		
		function e_b_c(fieldname){
		if  (document.getElementById(fieldname).value.search("@") == -1 || document.getElementById(fieldname).value.search("[.*]") == -1){
			  document.getElementById(fieldname).focus();
			  return false;
		  }
		return true;
		}



		function chars_control_rakam(add){
			var c = String.fromCharCode(window.event.keyCode);
			c=c.toLowerCase();
			var chars;
			chars="0123456789"+add;
			if ( chars.indexOf(c)!= -1 ) {
				return;
		   } else {
				alert("Rakam haricinde karakter kullanmayın.");
		      window.event.returnValue = null; 
			}
		}
		
function chars_control(add){
	var c = String.fromCharCode(window.event.keyCode);
	c=c.toLowerCase();
	var chars;
	chars="abcdefghijklmnopqrstuvwxyz0123456789öçşiğüı_- "+add;
	if ( chars.indexOf(c)!= -1 ) {
		return;
   } else {
		alert("Lütfen geçerli karakterler kullanın.");
      window.event.returnValue = null; 
	}
}

function chars_control_email(add){
	var c = String.fromCharCode(window.event.keyCode);
	c=c.toLowerCase();
	var chars;
	chars="abcdefghijklmnopqrstuvwxyz0123456789öçşiğüı@._-"+add;
	if ( chars.indexOf(c)!= -1 ) {
		return;
   } else {
		alert("Lütfen geçerli karakterler kullanın.");
      window.event.returnValue = null; 
	}
}


function chars_control_username(add){
	var c = String.fromCharCode(window.event.keyCode);
	c=c.toLowerCase();
	var chars;
	chars="abcdefghijklmnopqrstuvwxyz0123456789öçşiğüı@._-"+add;
	if ( chars.indexOf(c)!= -1 ) {
		return;
   } else {
		alert("Lütfen geçerli karakterler kullanın.");
      window.event.returnValue = null; 
	}
}


function tinCode(asd){
	var c;
	document.getElementById("userTin").value=document.getElementById("userTin").value.toUpperCase();
	//alert (document.getElementById("userTin").value);
	c=document.getElementById("userTin").value;
	return c;
}