var win = ""; var window_opened = false;
function openMessenger(){
if(!window_opened){
window_opened = true;
win = window.open("","HMessenger","width=250,height=400,top=0,left=0,menubar=0,diretories=0,location=0,locationbar=0,toolbar=0,status=0,statusbar=0,personalbar=0,resizable=1");
win.blur();
}
else { win.close(); window_opened = false; }
}