function childWindow(item)
{

url = item;
var width = 800;
    var height = 650;
    var left = parseInt((screen.availWidth/2) - (width/2));
    var top = parseInt((screen.availHeight/2) - (height/2));
    var windowFeatures = "width=" + width + ",height=" + height + ",status,resizable=1,scrollbars=1,left=" + left + ",top=" + top + "screenX=" + left + ",screenY=" + top;
  window.open(url, "subWind", windowFeatures);
}

function  contactWindow(item)
{

url = "/contact/contact_request.aspx?st=" + item;
var width = 400;
    var height = 600;
    var left = parseInt((screen.availWidth/2) - (width/2));
    var top = parseInt((screen.availHeight/2) - (height/2));
    var windowFeatures = "width=" + width + ",height=" + height + ",status,resizable=1,scrollbars=1,left=" + left + ",top=" + top + "screenX=" + left + ",screenY=" + top;
  window.open(url, "subWind", windowFeatures);
}