function clip() {// width of the banner container
                       var contWidth = 100;
 	// height of the banner container
 	var contHeight = 100;
 	var id1 = document.getElementById('slideA');
 	var id2 = document.getElementById('slideB');
 	var height = id1.offsetHeight;
 	id1.style.top = parseInt(id1.style.top)-1 + 'px';
	document.getElementById('slideCont').style.height = contHeight + "px";
 	document.getElementById('slideCont').style.clip = 'rect(auto,'+ contWidth +'px,' + contHeight +'px,auto)';
 	id2.style.display = '';
 	if(parseFloat(id1.style.top) == -(height/2))
                {	id1.style.top = '0px';  	}
	setTimeout(clip,50) }
               
                function addLoadEvent(func)
                {  var oldonload = window.onload;
                 if (typeof window.onload != 'function')
                     { window.onload = func;   }
                                else { window.onload = function()
                                   { if (oldonload) 
                                   {  oldonload();  }
                               func(); }  }}
                        addLoadEvent(function() 
                        {  clip();});