if (location.search.length > 0) { 
	// split at &
	launchstring = location.search.substring(1, location.search.length); 
	var launchstringArray = launchstring.split("&"); 
	for (var i = 0; i <= launchstringArray.length - 1; i++) { 
		var left = launchstringArray[i].substring(0, launchstringArray[i].indexOf("=")); 
		var right = launchstringArray[i].substring(launchstringArray[i].indexOf("=") + 1, launchstring.length); 
		if (isNaN(right)) { 
			right = '"' + right + '"'; 
		} 
		eval("var " + left + " = " + right); 
	}
	// split at |
	var varstringArray = files.split("|"); 
	for (var i = 0; i <= varstringArray.length - 1; i++) { 
		eval("var pdf" + i + " = " + varstringArray[i]); 
	}
}