window.onresize = setSize;
var timerId;
var speed=50;
var gscroll;
var panelsize = 320;
function windowHeight(){
    var y;
    if (self.innerHeight) // all except Explorer
    {
            y = self.innerHeight;
    }
    else if (document.documentElement && document.documentElement.clientHeight)
            // Explorer 6 Strict Mode
    {
            y = document.documentElement.clientHeight;
    }
    else if (document.body) // other Explorers
    {
            y = document.body.clientHeight;
    }
    return y;
}
function setSize() {
   height=windowHeight();
   newheight=height-panelsize;
   document.getElementById('main').style.height=newheight+'px';
   document.getElementById('content').style.height=newheight+'px';
   if ( document.getElementById('showcase') ) 
       document.getElementById('showcase').style.height=newheight+30+'px';
}
function openurl(url) {
    window.open(url,"_blank","menubar=no,location=no,toolbar=no");
}