var can_t = new Array();
function VerGaleria(k,img,pid,id){
	var _TY = (img.length-1);
	if(k==0){
		can_t[id]++;
		if(can_t[id]==_TY) can_t[id]=0;
	}else{
		if(can_t[id]<=0) can_t[id]=_TY;
		can_t[id]--;
	}
	if(img[can_t[id]]!= undefined)
		document.getElementById(pid).src = img[can_t[id]];
}

jQuery.preloadImages = function() {
	var a = (typeof arguments[0] == 'object')? arguments[0] : arguments;
	for(var i = a.length -1; i > 0; i--) {
		jQuery("<img>").attr("src", a[i]);
	}
}