var Cache = new Object();
var ArraySrcX = new Object();

function get(id)
{
return (Cache[id]) ? Cache[id] : Cache[id] = document.getElementById(id);
}

function ImLoadX(ind) 	{

if (ArraySrcX[ind]) {;} 
 else 	{
Img = new Image();
ArraySrcX[ind] = './img/gallery/'+ind+'.jpg';
Img.src = ArraySrcX[ind];
	}

			}
function chImX(k) {
var mpic=get('pic');
mpic.src=ArraySrcX[k];
		}