function openWindow(url, height, width){
	var sParams = 'height='+height+',' 
           sParams = sParams + 'width='+width+',' 
           sParams = sParams + 'toolbar=no,' 
           sParams = sParams + 'status=yes,' 
           sParams = sParams + 'scrollbars=yes,' 
           sParams = sParams + 'directories=no,' 
           sParams = sParams + 'location=no,' 
           sParams = sParams + 'menubar=no' 
           sParams = sParams + ',resizable=yes';
	var win = window.open(url,"imagen",sParams,true);
}

function showimage(img){
	openWindow('../imagen.html?image='+img,500,600);
}