function open_chat_window(){
var obj = document.getElementById('window-chat');
var element = document.getElementById("chat-button-bar");
var coords = {x: 0, y: 0};
while (element) {
coords.x += element.offsetLeft;
coords.y += element.offsetTop;
element = element.offsetParent;
}
//parseInt(document.getElementById("window-chat").style.width)
obj.style.left = coords.x-190+35 + 'px';
$("#window-chat").fadeIn("slow");
$("#chat-button-bar").addClass("chat-button-bar-h");
$("#networkbar-right-border").addClass("networkbar-right-border-h");


}
function close_chat_window(){
$("#window-chat").fadeOut("slow");
$("#chat-button-bar").removeClass("chat-button-bar-h");
$("#networkbar-right-border").removeClass("networkbar-right-border-h");

}