rem: page = prompt("Goto Page (1 - " + att[9] + "):", 1); } while (!isNaN(att[9]) && (page != null) && ((page < 1) || (page > parent.numPages))); 
add: var page = prompt("Goto Page (1 - " + att[9] + "):", 1);  } while ((page != null) && ((isNaN(page)) || (page < 1) || (page > att[9]))); 
context: function page(keepArea) {	do {    	page = prompt("Goto Page (1 - " + att[9] + "):", 1);	} while (!isNaN(att[9]) && (page != null) && ((page < 1) || (page > parent.numPages)));   	if (page != null && page != att[1]) {		att[1] = page;		loadPicture(0, keepArea);	}}
meta: 7747	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/7747/40b3ff11466ecf7aeaa52b5e03836ae3327c1540/pagesTotal.js/clean/client/digitallibrary/modules/pagesTotal.js