function callBack(){
	var tel=document.getElementById('callBackPhone').value;
	submitForm(tel);
}
function submitForm(tel){ 
	var page="js/callBack.php?tel="+tel;
	var req =  createInstance();
	req.onreadystatechange = function(){ 
		if(req.readyState == 4){
			if(req.status == 200){
				hide(req.responseText);	
			}else{
				alert("Error: returned status code " + req.status + " " + req.statusText);
			}	
		} 
	}; 
	req.open("GET", page, true); 
	req.send(null); 
} 
function createInstance(){
        var req = null;
		if (window.XMLHttpRequest){
 			req = new XMLHttpRequest();
		}else if (window.ActiveXObject){
			try {
				req = new ActiveXObject("Msxml2.XMLHTTP");
			}catch (e){
				try {
					req = new ActiveXObject("Microsoft.XMLHTTP");
				}catch (e){
					alert("XHR not created");
				}
			}
	        }
        return req;
};

function hide(data){
	document.getElementById("callBackResponse").innerHTML = data;	
}

document.observe("dom:loaded", function() {
 	
	if($('callBackPhone')){
		var f = $('callBackPhone');
		var df = '00 00 00 00 00';
		function clear(){
			if(f.value==df){
			//alert(f.value);
				f.value = '';
			}
		}
		function restore(){
			if(f.value=='' || f.value==''){
				f.value = df;
			}
		}
	   	
		f.observe("focus", clear);
		f.observe("blur", restore);
	}
});