function showPopup(url,width,height, atitle)
{   
    var pheight,pwidth;
    pheight = parseInt(height);
    pwidth = parseInt(width);

    if(atitle.length == 0)    
    {
	    atitle = " ";
    }
    
    if(pheight != 0 && pwidth !=0)
    {
	    Modalbox.show(url,{title: atitle, width: pwidth, height: pheight});
    }
    else if(pheight == 0 && pwidth !=0)
    {
	    Modalbox.show(url,{title: atitle, width: pwidth});
    }
    else if(pheight != 0 && pwidth ==0)
    {
	    Modalbox.show(url,{title: atitle,height: pheight});
    }
    else
    {
    	Modalbox.show(url,{title: atitle});
    }
}

function ClosePopup()
{
    Modalbox.hide();
}

function Redirect(url)
{
    window.location =url;
}