function PopMessageBox(messageboxId)
{
var obj=document.getElementById('layer0');
obj.style.height=GetHeight()+'px';
Effect.toggle(obj,'appear');
Effect.toggle(messageboxId,'slide');
}
 
function GetHeight()
{
        var y = 0;
        if (self.innerHeight)
        {
                y = self.document.body.offsetHeight;
        }
        else if (document.documentElement && document.documentElement.clientHeight)
        {
                y = document.body.offsetHeight;
        }
        else if (document.body.offsetHeight)
        {
        y = document.body.offsetHeight;
        }
       
        return y;
 }