function createRequestObject() {
    var ro;
    var browser = navigator.appName;
    if(browser == "Microsoft Internet Explorer"){
        ro = new ActiveXObject("Microsoft.XMLHTTP");
    }else{
        ro = new XMLHttpRequest();
    }
    return ro;
}
var global_lock2 = false;
var http4 = createRequestObject();

function dellFromCompare(site_url,p_id,sess, hier_id) {

if ( !global_lock2 )
{
    http4.open('get', site_url + '/modules/Products/script/comparephp/delete.php?p_id='+p_id+'&session='+sess+'&hier_id='+hier_id);
    http4.onreadystatechange = handleResponse2;
    http4.send(null);
	global_lock2 = true;

}
}

function handleResponse2() {
    if(http4.readyState == 4){
        var response = http4.responseText;
			if (response == ' ') document.getElementById("compare_b").style.display = "none";
			document.getElementById('compare_line').innerHTML = response;
			//alert(response);

		global_lock2=false;
    }

}