var instance=0;


function apri (ele, idv){
	if(instance==0)
	{
		instance++;
		w=$('dietro');
		z=$('dietrobis');
		w.setStyle('display','block');		
		$('controlli').setStyle('display','block');
		z.innerHTML="";
   		img = document.createElementNS("http://www.w3.org/1999/xhtml","img");
		img.setAttributeNS(null,'width', '900px');
		img.setAttributeNS(null,'src', 'components/com_spesa/foto/des/'+idv+'.jpg');
   		z.appendChild(img);
		z.scrollTo(0,140);

	}

}



function chiudi()
{
 	 
			$('dietro').setStyle('display','none');   
			$('controlli').setStyle('display','none'); 
		 instance--;
									 
									 
	
	
	
}