var xmlHttp123
function getNewCod(regi)
{
    //alert(produse);
    xmlHttp123=GetXmlHttpObject()
    if (xmlHttp123==null)
    {
        alert ("Browser does not support HTTP Request")
        return
    }
    var url="/codrequest.php"+"?regi="+regi;
    //alert(url.length);
    xmlHttp123.onreadystatechange=readyStateChangedCod;
    xmlHttp123.open("GET",url,true)
    xmlHttp123.send(null)
}

function readyStateChangedCod()
{
    if (xmlHttp123.readyState==0)
	{
                document.getElementById("codlayer").innerHTML='<div style="display:block; margin:20px; font-size: 18px;"><img src="/images/ajax_loader.gif"></div>';
		//alert("1 eloso")
	}
	else if (xmlHttp123.readyState==1)
	{
		document.getElementById("codlayer").innerHTML='<div style="display:block; margin:20px; font-size: 18px;"><img src="/images/ajax_loader.gif"></div>';
		//alert("2 ekloso")
	}
	else if (xmlHttp123.readyState==2)
	{
		document.getElementById("codlayer").innerHTML='<div style="display:block; margin:20px; font-size: 18px;"><img src="/images/ajax_loader.gif"></div>';
		//alert("3 heloso")
	}
	else if (xmlHttp123.readyState==3)
	{
		document.getElementById("codlayer").innerHTML='<div style="display:block; margin:20px; font-size: 18px;"><img src="/images/ajax_loader.gif"></div>';
		//alert("4 neloso")
	}

    if (xmlHttp123.readyState==4 || xmlHttp123.readyState=="complete")
    {
        document.getElementById("codlayer").innerHTML=xmlHttp123.responseText;
    }
}

function GetXmlHttpObject()
{
    var objXMLHttp=null
    if (window.XMLHttpRequest)
    {
        objXMLHttp=new XMLHttpRequest()
    }
    else if (window.ActiveXObject)
    {
        objXMLHttp=new ActiveXObject("Microsoft.XMLHTTP")
    }
    return objXMLHttp
}