function getXmlHttp() 
{
	var xmlHttp = null;
	try {
		xmlHttp = new XMLHttpRequest();
	} catch (e) {
		var progIds = ['Microsoft.XMLHTTP', 'MSXML2.XMLHTTP', 'MSXML2.XMLHTTP.5.0', 'MSXML2.XMLHTTP.4.0', 'MSXML2.XMLHTTP.3.0']
		var success = false;
		for (var iterator = 0; (iterator < progIds.length) && ( ! success); iterator ++) {
			try {
				xmlHttp = new ActiveXObject(progIds[iterator]);
				success = true;
			} catch (e) {}
		}
		if ( ! success ) {
			return null;
		}
	}
	return xmlHttp;
}

function listele(no,ne)
{
	ajax = getXmlHttp();
	
	ajax.onreadystatechange = function() {
		if(ajax.readyState == 4 && ajax.status == 200) 
		{
			var geldi	= ajax.responseText;
			document.getElementById(ne).disabled	= '';
			var gelen_deger = geldi.split('-');
			
			document.getElementById(ne).options.length	= gelen_deger.length;					

			document.getElementById(ne).options[0] = new Option('Select', '', false, false);
			document.getElementById(ne).options[0].selected	= 'selected';
			
			
			if(ne=='alan' && document.getElementById('bolge').disabled != 'disabled')
			{
				document.getElementById('bolge').disabled	= 'disabled';
			}
			
			for(var i=0; i < gelen_deger.length-1; i++)
			{
				if(gelen_deger[i] != '')
				{
					var a = gelen_deger[i].split(':');
					var b = a[0];
					var c = a[1];						

					document.getElementById(ne).options[i+1] = new Option(c, b, false, false);
				}
			}
		}
	}

	ajax.open('GET', 'ajax/yer.php?no='+no+'&ne='+ne, true);	
	ajax.send(null);

}