function createRequestObject(){
	var request_o; //declare the variable to hold the object.
	var browser = navigator.appName; //find the browser name
	if(browser == "Microsoft Internet Explorer"){
		/* Create the object using MSIE's method */
		request_o = new ActiveXObject("Microsoft.XMLHTTP");
	}else{
		/* Create the object using other browser's method */
		request_o = new XMLHttpRequest();
	}
	return request_o; //return the object
}
var http = createRequestObject(); 
function getCategory(){
	http.open('get', 'internal_request2.php?action=get_categoy&id=' 
			+ document.isc.Category.value);
	http.onreadystatechange = handleCategory;  
	http.send(null);
}
function handleCategory(){
	if(http.readyState == 4){ 
		var response = http.responseText;
		document.getElementById('product_cage').innerHTML = response;
	}
}

function getModeles(){
	http.open('get', 'internal_request2.php?action=make&idm=' 
			+ document.isc.make_internal.value);
	http.onreadystatechange = handleProducts12;  
	http.send(null);
}
function handleProducts12(){
	if(http.readyState == 4){ 
		var response = http.responseText;
		document.getElementById('model_options').innerHTML = response;
	}
}

function getVan(){
	http.open('get', 'internal_request2.php?action=van&id=' 
			+ document.isc.model_internal.value);
	http.onreadystatechange = handleProducts13;  
	http.send(null);
}
function handleProducts13(){
	if(http.readyState == 4){ 
		var response = http.responseText;
		document.getElementById('product_cage33').innerHTML = response;
	}
}
/*----------------------------------------validare-------------------------------------*/
function testValidate(form){
	if(document.isc.Category.value == ''){
	
		document.getElementById('error1').innerHTML = '<span style="color:red">Please select the category!</span>';
		return false;
	}else{
		document.getElementById('error1').innerHTML = '';
 	}
	
	if(document.isc.make_internal.value == '0'){
		document.getElementById('error2').innerHTML = '<span style="color:red">Please select the make!</span>';
		return false;
	}else{
	document.getElementById('error2').innerHTML = '';
 	}	
return true;
}
/*----------------------------------------selector-------------------------------------*/
function bName(){
	 document.isc2.businessType.value= '';
}
function sName(){
	 document.isc2.businessName.value= '';
}
function bName2(){
	 document.isce.businessType.value= '0';
}
function sName2(){
	 document.isce.businessName.value= '';
}
/*----------------------------------------automobile dealer----------------------------*/
function ADcountry(){
	http.open('get', 'internal.php?action=city&id=' 
			+ document.isce.countryAD.value);
	http.onreadystatechange = handlecitiAD;  
	http.send(null);
}
function handlecitiAD(){
	if(http.readyState == 4){ 
		var response = http.responseText;
		document.getElementById('citiAD').innerHTML = response;
	}
}
function citiyAD(){
	http.open('get', 'internal.php?action=make&id=' 
			+ document.isce.city.value);
	http.onreadystatechange = handlemakeAD;  
	http.send(null);
}
function handlemakeAD(){
	if(http.readyState == 4){ 
		var response = http.responseText;
		document.getElementById('makeAD').innerHTML = response;
	}
}