function DFShowExtra(layer_id, xpos, ypos) {
	if (!ypos) {
		ypos = 100;
	} else {
		ypos = ypos - 0;
	}
	if (!xpos) {
		xpos = 100;
	} else {
		xpos = xpos - 154;
	}
	document.getElementById(layer_id).style.visibility = "visible";
	document.getElementById(layer_id).style.top = ypos + "px";
	document.getElementById(layer_id).style.left = xpos + "px";
	//alert('Y='+findPosY(this)+' X='+findPosX(this));
}
function DFHideExtra(layer_id) {
	document.getElementById(layer_id).style.visibility = "hidden";
}
function df_ctgy_calcship(sku,usa,can,int) {
	document.getElementById('df_dhtml_ship_sku').innerHTML = sku;
	document.getElementById('df_dhtml_ship_usa').innerHTML = "$" + usa + " USD";
	document.getElementById('df_dhtml_ship_can').innerHTML = "$" + can + " USD";
	document.getElementById('df_dhtml_ship_int').innerHTML = "$" + int + " USD";
}
function zoom_product_picture(large_image,df_server_protocol) {
	if (df_server_protocol=="https://") {
		protocol = "https://";
	} else {
		protocol = "http://";
	}
	var product_zoomed_image = protocol + "www.rctoys.com" + large_image;
	document.images['product_large_image'].src = product_zoomed_image;
}