var xmlHttp_change_number

function change_number(option,page)
{
xmlHttp_change_number=GetXmlHttpObject_change_number()
//if (xmlHttp_change_number==null)
//{
//alert ("Browser does not support HTTP Request")
//return
//}

document.getElementById("newscontrols_loading").innerHTML=' | جارى تحديث الاخبار';
var url="change_number_of_news.php"
url=url+"?op="+option+"&page="+page
url=url+"&sid="+Math.random()
xmlHttp_change_number.onreadystatechange=stateChanged_change_number
xmlHttp_change_number.open("GET",url,true)
xmlHttp_change_number.send(null)


document.getElementById("show_7").style.background="white";
document.getElementById("show_7").style.color="blue";

document.getElementById("show_15").style.background="white";
document.getElementById("show_15").style.color="blue";

document.getElementById("show_25").style.background="white";
document.getElementById("show_25").style.color="blue";

document.getElementById("show_30").style.background="white";
document.getElementById("show_30").style.color="blue";

if(option=='7')
{
document.getElementById("show_7").style.background="green";
document.getElementById("show_7").style.color="white";
}else if(option=='15')
{
document.getElementById("show_15").style.background="green";
document.getElementById("show_15").style.color="white";
}else if(option=='25')
{
document.getElementById("show_25").style.background="green";
document.getElementById("show_25").style.color="white";
}else if(option=='30')
{
document.getElementById("show_30").style.background="green";
document.getElementById("show_30").style.color="white";
}

}

function stateChanged_change_number() 
{ 
if (xmlHttp_change_number.readyState==4 || xmlHttp_change_number.readyState==0)
{
document.getElementById("newscol").innerHTML=xmlHttp_change_number.responseText
document.getElementById("newscontrols_loading").innerHTML=''; 

} 
}

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