/*
* random.js :: md@northwestern-edu
* Web Communications :: Northwestern University
*/
// global vars...
var ulurl = new Array() ;
var uldescription = new Array() ;
var url = new Array() ;
var description = new Array() ;
var large = new Array() ;
var width = new Array() ;
var height = new Array() ;
var rand_ulimg = 0 ;
var rand_img = 0 ;
var check = new Array();
var count = 0;
// functions...
function add_ulimage(image_url, image_description) {
uldescription[ulurl.length] = image_description ;
ulurl[ulurl.length] = image_url ;
}
function add_image(image_url, image_description, image_large_url, large_width, large_height) {
description[url.length] = image_description ;
large[url.length] = image_large_url ;
width[url.length] = large_width ;
height[url.length] = large_height ;
url[url.length] = image_url ;
}
function select_random_ulimg() {
rand_ulimg = Math.floor(Math.random()*(ulurl.length)) ;
}
function select_random_img() {
rand_img = Math.floor(Math.random()*(url.length)) ;
while ((rand_img==check[0]) || (rand_img==check[1]) || (rand_img==check[2])) {
rand_img = Math.floor(Math.random()*(url.length)) ;
}
check[count] = rand_img;
count += 1;
}
function get_ulimage_url() {
return ulurl[rand_ulimg] ;
}
function get_image_url() {
return url[rand_img] ;
}
function get_ulimage_description() {
return uldescription[rand_ulimg] ;
}
function get_image_description() {
return description[rand_img] ;
}
function get_large_url() {
return large[rand_img] ;
}
function get_large_width() {
return width[rand_img] ;
}
function get_large_height() {
return height[rand_img] ;
}
// popup window...
function popup (image,width,height,alt) {
//image = "http://www.northwestern.edu/nucuisine/" + image;
// fully qualified URL needed for image to display in Opera?
text = '';
text += '';
text += '';
text += 'Dining Services, Northwestern University';
text += '';
text += '';
text += '';
text += '
';
text += '';
attribs = "toolbar='no',location='no',directories='no',status='no',menubar='no',scrollbars='no',resizable='no',width=" + width + ",height=" + height + ",top=50,left=50";
newWindow = window.open('','newWin',attribs);
newWindow.document.write(text);
newWindow.document.close();
}