function showEmail(user, domain, tld, title){ 
   var emailId = user + "\u0040" + domain + "." + tld; 
   var url = "mailto:" + emailId; 

   if(!title){ 
       title = emailId; 
   } 
   document.write("<a class='footer_link' href='" + url + "'>" + title + "</a>"); 
} 

function swap_image(id_picture,id_heading,name,heading_text,web_root)
{
	if(name=="")
		name = "thumbs/small_image.jpg";
	document.getElementById(id_picture).src = "image_resizer/image_g.php?filename="+web_root+"upload/" + name + "&position=news";
	document.getElementById(id_heading).innerHTML = heading_text;
}

function display_image(image_link)
{
    document.getElementById('top_news_image').src = image_link;
}

function submit_request_form(error_message)
{
    var email_value = document.getElementById("email").value;
    if(email_wrong(email_value,error_message)) {return false;}
    if(is_box_empty("isim",error_message)) {return false;}
    if(is_box_empty("soyad",error_message)) {return false;}
    if(is_box_empty("telefon",error_message)) {return false;}
    if(is_box_empty("ulke",error_message)) {return false;}
    if(is_box_empty("sehir",error_message)) {return false;}
    if(is_box_empty("yorumlar",error_message)) {return false;}
    return true;
}


function email_wrong(email,error_message) {
if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(email)){
return (false)
}
alert(error_message)
document.getElementById("email").value = '';
document.getElementById("email").focus();
return (true)
}


function validation(form_name,alert_message)
{
    for(i=0; i<document.getElementById(form_name).elements.length; i++)
    {
        curr_element = document.getElementById(form_name).elements[i];
        if(curr_element.value=='')
		{ 
			// eger value si bos ise, false geri döndürür bu da formu submit yapmaz
            alert(alert_message);
//            document.getElementById(curr_element.id).focus();
//			document.getElementById(curr_element.id).style.border='1px solid #cccccc';
            return false;
        }
    }
    return true;
}

function validate_form()
{
    var i;
    for(i=0;i<id_array.length;i++)
    {
        element_id = id_array[i];
        type = type_array[i];
        value = document.getElementById(element_id).value;
        document.getElementById(element_id).style.border='1px solid #cccccc';
        var validate_result = return_validate_result(value,type);
        if(!validate_result)
        {
            alert("Please fill all required fields ("+element_id+")");
            document.getElementById(element_id).style.border='2px solid #FF0000';
            document.getElementById(element_id).focus();
            return false;
        }
    }
    return true;
}

function corporate_email_check(obj,message)
{
    var email = obj.value;
    var email_ok = "ok";
    if(email.indexOf("@gmail")!=-1){email_ok = "problem";}
    if(email.indexOf("@yahoo")!=-1){email_ok = "problem";}
    if(email.indexOf("@hotmail")!=-1){email_ok = "problem";}
    if(email.indexOf("@gmail")!=-1){email_ok = "problem";}


    if(email_ok=="problem")
    {
        alert(message);
        obj.value='';
        document.getElementById("email_register").focus();
    }


}

function display_price(id,web_root)
{
	if(id=="-1"){ return; }
	var service_link = web_root+"XmlWebService/display_price.php?id="+id;
	process_url(service_link,"price_box");
}

function display_home_programs(number,date)
{

	for(i=1;i<=7;i++)
	{
		var id_name = "home_"+i;
		document.getElementById(id_name).setAttribute("class", "normal");
		document.getElementById(id_name).setAttribute("className", "normal");
	}
	
	var id_name = "home_"+number;
	document.getElementById(id_name).setAttribute("class", "selected");
	document.getElementById(id_name).setAttribute("className", "selected");
	
	var big_image_description = document.getElementById("description_"+number).innerHTML;
	document.getElementById("big_image_description").innerHTML = big_image_description;
	
	var date_no = number - 1;
	var date_head = document.getElementById("date_"+date_no).value;
	document.getElementById("big_image_head").innerHTML = date_head;
	
}