var layerPopupImage = new Object();

// create image references for any potential popup images
layerPopupImage[6] = new Image();
layerPopupImage[6].src = '/temp/es_layers_img_large_6_.jpg?1256666666';
layerPopupImage[5] = new Image();
layerPopupImage[5].src = '/temp/es_layers_img_large_5_.jpg?1256666827';

function getLayerLargeImage( id ) {

	var w = layerPopupImage[id].width + 50;
	var h = layerPopupImage[id].height + 50;
	
	launchCentered('/viewLargeImage.php?mode=layer&id=' + id, w, h, 'scrollbars,resizable');

}