var IS_IE = document.all && window.ActiveXObject && navigator.userAgent.toLowerCase().indexOf("msie") > -1 ;
var IS_GECKO = document.implementation && document.implementation.createDocument && window.XMLHttpRequest && true;

function file_request(url,id)
{	
    if (IS_GECKO) 
    {
        XHRO = new XMLHttpRequest();
    } 
    else if(IS_IE) 
    {
        XHRO = new ActiveXObject("Microsoft.XMLHTTP");
    }
    else 
    {
        alert("Browser Error");
        return false;
    }
    XHRO.open("GET",url,true);
    XHRO.onreadystatechange = function()
    {
        if(XHRO.readyState == 4)
        {
            if(XHRO.status == 200)
            {	
                document.getElementById(id).value = XHRO.responseText;
            }
            else
            {
                alert("File Not Found");
                return false;
            }
        }
    }
    XHRO.send(null);
}