var xmlHttp

function get_content(a,b,c,d,e,f,g)
{
	xmlHttp=GetXmlHttpObject()
	if (xmlHttp==null)
	{
	alert ("Browser does not support HTTP Request")
	return
	}
	//show_loading();
	if(a != "survey")
	{
		document.getElementById("contenment").innerHTML = "<br><br><img src='images/loading.gif'><br>يرجى الانتظار";
		document.getElementById("Rsearch").focus();
	}
		document.getElementById("ajax_order").innerHTML = a;
	
	if(a == "mailling")
	{
		b = document.getElementById("Email").value;
		c = document.getElementById("Mphone").value;
	}
	if(a == "survey")
	{
		if(document.getElementById("survey").innerHTML != "1")
		{
			var srv1 = document.getElementById("srv1").checked;
			var srv2 = document.getElementById("srv2").checked;
			var srv3 = document.getElementById("srv3").checked;
			var srv4 = document.getElementById("srv4").checked;
			var srv5 = document.getElementById("srv5").checked;
			var url = "content/functions.php" ; 
			url=url+"?a=" + a + "&b=" + b + "&c=" + c + "&d=" + d + "&e=" + e + "&srv1=" + srv1 + "&srv2=" + srv2 + "&srv3=" + srv3 + "&srv4=" + srv4 + "&srv5=" + srv5;
		}
		else
		{
			var url = "content/functions.php" ; 
			url=url+"?a=" + a + "&b=" + b + "&c=" + c + "&d=" + d + "&e=" + e ;		
		}
	}
	else if(a == "send_publish")
	{
		 b   = document.getElementById("Fname").value ; 
		 c   = document.getElementById("title").value ; 
		 d   = document.getElementById("Adress").value ; 
		 e   = document.getElementById("Pub_phone").value ; 
		 f   = document.getElementById("Pub_email").value ; 
		 g   = document.getElementById("describtion").value ; 
		 var url = "content/functions.php" ; 
		 url = url+"?a=" + a + "&b=" + b + "&c=" + c + "&d=" + d + "&e=" + e  + "&f=" + f  + "&g=" + g ;		
	}

	else
	{
		var url = "content/functions.php" ; 
		url=url+"?a=" + a + "&b=" + b + "&c=" + c + "&d=" + d + "&e=" + e ;
	}
	xmlHttp.onreadystatechange=stateChanged 
	xmlHttp.open("POST",url,true)
	xmlHttp.send()
} 

function stateChanged() 
{
	if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
	{
		if(document.getElementById("ajax_order").innerHTML == "survey")
		{
			//hide_loading(xmlHttp.responseText);
			document.getElementById("sh_votes").innerHTML = xmlHttp.responseText;
			document.getElementById("survey").innerHTML = "1";
		}
		else if(document.getElementById("ajax_order").innerHTML == "send_publish")
		{
			 //hide_loading();
			 alert(xmlHttp.responseText);
		}
		else if(document.getElementById("ajax_order").innerHTML == "publish")
		{
			document.getElementById("contenment").innerHTML = xmlHttp.responseText ; //hide_loading();
		}
		else if(document.getElementById("ajax_order").innerHTML == "mailling")
		{
			//hide_loading();
			alert(xmlHttp.responseText);
		}
		else if(document.getElementById("ajax_order").innerHTML == "best_sell")
		{
			var best_sell  = xmlHttp.responseText.split("**");
			
			var next_sell  = best_sell[0];
			var back_sell  = best_sell[1];
			var chng_best  = '&lt;&lt; <a style="cursor:pointer" onclick=get_content("best_sell","' + back_sell + '")>الأكثر مبيعا  </a>| ';
			var chng_best  = chng_best + '<a style="cursor:pointer" onclick=get_content("best_sell","' + next_sell + '")>الأكثر مبيعا  </a>&gt;&gt;';
			document.getElementById("do_best").innerHTML = chng_best;
			
			var best_id    = best_sell[2];
			var best_title = best_sell[4];
			var title_best = '<a href="#" onclick=get_content("book_details","' + best_id + '")>' + best_title + '</a>';
			document.getElementById("best_sell_title").innerHTML = title_best;
			
			var best_Bid   = best_sell[3];
			document.getElementById("best_sell_id").innerHTML = best_Bid;

			var best_photo = best_sell[5];
			document.getElementById("best_sell_photo").innerHTML = '<a href="#" onclick=get_content("book_details","' + best_id + '")><img border="0" src="' + best_photo + '" width="110" height="154"/></a>';
			
			//hide_loading(); 
		}
		else if(document.getElementById("ajax_order").innerHTML == "last_book")
		{
			var last_book  = xmlHttp.responseText.split("**");
			
			var next_last  = last_book[0];
			var back_last  = last_book[1];
			var chng_last  = '&lt;&lt; <a style="cursor:pointer" onclick=get_content("last_book","' + back_last + '")>اصدارات جديدة </a>| ';
			var chng_last  = chng_last + '<a style="cursor:pointer" onclick=get_content("last_book","' + next_last + '")>اصدارات جديدة </a>&gt;&gt;';
			document.getElementById("do_last").innerHTML = chng_last;
			
			var last_id    = last_book[2];
			var last_title = last_book[4];
			var title_last= '<a href="#" onclick=get_content("book_details","' + last_id + '")>' + last_title + '</a>';
			document.getElementById("last_title").innerHTML = title_last;
			
			var last_Bid   = last_book[3];
			document.getElementById("last_id").innerHTML = last_Bid;

			var last_photo = last_book[5];
			document.getElementById("last_photo").innerHTML = '<a href="#" onclick=get_content("book_details","' + last_id + '")><img border="0" src="' + last_photo + '" width="110" height="154"/></a>';
			
			//hide_loading(); 
		}
		else if(document.getElementById("ajax_order").innerHTML == "book_cat")
		{
			document.getElementById("book_cat").innerHTML = xmlHttp.responseText ; //hide_loading();
		}
		else
		{
			document.getElementById("contenment").innerHTML = xmlHttp.responseText ; //hide_loading();
		}

	} 
}

function GetXmlHttpObject()
{
var xmlHttp=null;
try
 {
 // Firefox, Opera 8.0+, Safari
 xmlHttp=new XMLHttpRequest();
 }
catch (e)
 {
 // Internet Explorer
 try
  {
  xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
  }
 catch (e)
  {
  xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
  }
 }
return xmlHttp;
}


//SHOW LOADING
function show_loading()
{
	document.getElementById('loading').style.visibility = "visible";
}

//HidE LOADING

function hide_loading()
{
	document.getElementById('loading').style.visibility = "hidden";
}