function popupIt() {
    
        var bcg = document.body.clientHeight;
        

        if (document.body)
        {
        var larg = (document.documentElement.clientWidth);
        var haut = (document.documentElement.clientHeight);
        var scroll = (document.documentElement.scrollTop);
        ;
        
       
        }  
        else
        {
        var larg = (window.innerWidth);
        var haut = (window.innerHeight);
        var scroll = (document.body.scrollTop);
        }
        
        var posY=(haut - 694)/2;
       	var posX=(larg - 670)/2;
        
        if (posY <=0)
        {
        posY = 50;
        }
       
                 
        document.getElementById('popup').style.top=posY+"px";
       	document.getElementById('popup').style.left=posX+"px";
      
                  
        document.getElementById('backgroundpopup').style.height=bcg+"px";
                
        new Effect.Appear('backgroundpopup', { from: 0, to: 0.8, duration: 0.5 });
        
        new Effect.Appear('popup', { from: 0, to: 1, duration: 0.8 });
        
         
       
}