/*
Various javascript page functions, including rollover images and popups
*/
var ttpopup = function() {
/*
This has been tested for IE5.5, IE6 IE7, Firefox 2, Firefox 3, Safari 3
*/
function addLoadEvent(func) {
var oldonload = window.onload;
if (typeof window.onload != 'function') {
window.onload = func;
} else {
window.onload = function() {
if (oldonload) {
oldonload();
}
func();
}
}
}
function loadPopups() {
var poplink;
var ua = navigator.userAgent.toLowerCase();
var debug = 0;
// only use tested browsers
if ( document.all || navigator.userAgent.indexOf("Firefox")!=-1 || ua.indexOf("safari/")!=-1 ) {
for (var i = document.links.length - 1, poplink = null; (i>=0); i--) {
poplink = document.links[i];
if ( poplink.getAttribute("popup") != "" && poplink.getAttribute("popup") != null && poplink.getAttribute("popwidth") > 0 && poplink.getAttribute("popheight") > 0 ) {
poplink.onclick = function() { return ttpopup.popup(this.getAttribute("popup"), (parseInt(this.getAttribute("popwidth"))), (parseInt(this.getAttribute("popheight"))), this.getAttribute("title")); }
poplink.href = "javascript:void(0);"; // for IE6 and Safari
//useful for getting the width and height of each popup image
if ( debug ) {
poplink.onmouseover = function() { var img = new Image(); img.src=this.getAttribute("popup"); document.title = 'Popup: Width: '+img.width+', Height: '+img.height; }
poplink.onmouseout = function() { document.title = ''; }
}
} else if ( poplink.getAttribute("class") == "ttpopup" ) {
poplink.setAttribute("popup", poplink.href);
poplink.onclick = function() { return ttpopup.popup(this.getAttribute("popup"), (parseInt(this.getAttribute("popwidth"))), (parseInt(this.getAttribute("popheight"))), this.getAttribute("title")); }
poplink.href = "javascript:void(0);"; // for IE6 and Safari
//useful for getting the width and height of each popup image
if ( debug ) {
poplink.onmouseover = function() { var img = new Image(); img.src=this.getAttribute("popup"); document.title = 'Popup: Width: '+img.width+', Height: '+img.height; }
poplink.onmouseout = function() { document.title = ''; }
}
}
}
}
}
return {
// init function
init: function() {
addLoadEvent(loadPopups);
},
popup: function(popimgsrc, popwidth, popheight, poptitle) {
var winW;
var winH;
if ( parseInt(popwidth) == 0 || parseInt(popheight) == 0 ) {
// only Firefox and IE6/IE7 have been tested successfully for this
if ( navigator.userAgent.indexOf("Firefox")!=-1 || document.all ) {
// preload image to get width and height
var img = new Image();
img.src = popimgsrc;
popwidth = img.width;
popheight = img.height;
// open a window of the appropriate size
var childWindow = window.open(popimgsrc, '_blank', 'width='+popwidth+',height='+popheight);
if ( childWindow != null && typeof(childWindow) != "undefined" ) {
if ( document.all ) {
winW = document.body.offsetWidth;
winH = document.body.offsetHeight;
} else {
winW = window.innerWidth;
winH = window.innerHeight;
}
// move the window, then re-write the contents
childWindow.moveTo(Math.round((winW-popwidth)/2),Math.round((winH-popheight)/2));
childWindow.document.write(''+poptitle+'
');
if ( childWindow.document.body.innerHTML == "" ) {
childWindow.close();
window.location.href=popimgsrc;
}
} else {
document.location.href = popimgsrc;
}
} else {
// this is the best thing when it doesn't work
document.location.href = popimgsrc;
/*winW = window.innerWidth;
winH = window.innerHeight;
// for non-tested browsers
var childWindow = window.open(popimgsrc, '_blank', 'width='+(winW-50)+',height='+(winH-50));
if ( childWindow ) {
childWindow.document.write(''+poptitle+'');
}*/
}
} else {
var childWindow = window.open(popimgsrc, '_blank', 'width='+popwidth+',height='+(popheight));
if ( childWindow != null && typeof(childWindow) != "undefined" ) {
if ( document.all ) {
winW = document.body.offsetWidth;
winH = document.body.offsetHeight;
} else {
winW = window.innerWidth;
winH = window.innerHeight;
}
childWindow.moveTo(Math.round((winW-popwidth)/2),Math.round((winH-popheight)/2));
childWindow.document.write(''+poptitle+''+
'');
} else {
document.location.href = popimgsrc;
}
}
return false;
}
}
}();
ttpopup.init();
var ttroll = function() {
/*
This has been tested for IE5.5, IE6 IE7, Firefox 2, Firefox 3, Safari 3
*/
function addLoadEvent(func) {
var oldonload = window.onload;
if (typeof window.onload != 'function') {
window.onload = func;
} else {
window.onload = function() {
if (oldonload) {
oldonload();
}
func();
}
}
}
function loadRolls() {
var img = null;
var rollimgs = Array();
for (var i = document.images.length - 1, img = null; (i>=0); i--) {
img = document.images[i];
if ( img.getAttribute("roll") != "" && img.getAttribute("roll") != null && img.getAttribute("unroll") != "" && img.getAttribute("unroll") != null ) {
// queue to pre-load the rollover image
rollimgs[rollimgs.length] = img.getAttribute("roll");
// set the events
if ( document.all ) {
// for IE, we have to do something different
img.attachEvent("onmouseover", function() { ttroll.roll(event.srcElement); });
img.attachEvent("onmouseout", function() { ttroll.unroll(event.srcElement); });
} else {
img.setAttribute("onMouseOver", "ttroll.roll(this);");
img.setAttribute("onMouseOut", "ttroll.unroll(this);");
}
}
}
// preload queued images
for (var j=0;j