function GetFunctionBody(functionObject) {
if (typeof (functionObject) != 'function')
return '';
var functionBody = functionObject.toString();
if (functionBody.match('javascript:'))
functionBody = functionBody.replace('javascript:', '');
if (functionBody.indexOf('function') == 0) {
var startPosition = functionBody.indexOf('{') + 1;
var endPosition = functionBody.lastIndexOf('}');
functionBody = functionBody.substr(startPosition, endPosition - startPosition);
}
return functionBody;
}
function MergeFunctions(first, second, params) {
if (typeof (second) != 'function')
return first;
if (typeof (first) != 'function')
return second;
var firstBody = GetFunctionBody(first);
var secondBody = GetFunctionBody(second);
if (typeof (params) != 'string')
params = '';
if (firstBody.indexOf('return') != -1)
firstBody = '(function(' + params + '){\n' + firstBody + '\n})(' + params + ');';
if (secondBody.indexOf('return') != -1)
secondBody = '(function(' + params + '){\n' + secondBody + '\n})(' + params + ');';
var mergedFunction;
eval('mergedFunction = function(' + params + ') {\n' + firstBody + '\n' + secondBody + '\n};');
return mergedFunction;
}
function AddEvent(target, eventType, eventFunction) {
if (typeof (target) == "string")
target = document.getElementById(target);
if (typeof (target) == 'undefined' || target == null) {
return false;
}
try {
if (target.addEventListener && window.opera == null) {
target.addEventListener(eventType, eventFunction, true);
return true;
}
else if (target.attachEvent)
return target.attackEvent("on" + eventType, eventFunction);
} catch (err) {
}
var originalFunction;
eval('if(target && target.on' + eventType + ') originalFunction = target.on' + eventType + ';');
if (originalFunction == null) {
eval('target.on' + eventType + ' = eventFunction;');
return true;
}
var mergedFunction = MergeFunctions(originalFunction, eventFunction);
if (typeof (mergedFunction) != 'function')
return false;
eval('target.on' + eventType + ' = mergedFunction;');
eval('eventFunction = target.on' + eventType + ';');
return typeof (eventFunction) == 'function';
}
function RegisterImageRollover(target, overUrl, downUrl) {
if (typeof (document.getElementById) == "undefined")
return;
if (typeof (target) == "string")
target = document.getElementById(target);
if (typeof (target) == "undefined" || target == null)
return;
target.defaultUrl = target.src;
target.onload = null;
if (overUrl != null && overUrl != '') {
target.overUrl = overUrl;
AddEvent(target, 'mouseover', function() { this.src = this.overUrl; });
AddEvent(target, 'mouseout', function() { this.src = this.defaultUrl; });
var overImage = new Image();
overImage.src = overUrl;
}
if (downUrl != null && downUrl != '') {
target.downUrl = downUrl;
AddEvent(target, 'mousedown', function() { this.src = this.downUrl; });
AddEvent(target, 'mouseup', function() { this.src = this.defaultUrl; });
var overImage = new Image();
overImage.src = downUrl;
}
}
function RegisterImageSwap(caller, target, url, zoomUrl, description, isDefault) {
if (typeof (document.getElementById) == "undefined")
return;
if (typeof (caller) == "string")
caller = document.getElementById(caller);
if (typeof (caller) == "undefined" || caller == null)
return;
if (typeof (target) == "string")
target = document.getElementById(target);
if (typeof (target) == "undefined" || target == null)
return;
if (url != null && url != '') {
var temp = new Image();
temp.src = url;
}
caller.swapTarget = target;
caller.swapUrl = url;
caller.swapDescription = description;
caller.swapZoomUrl = zoomUrl;
caller.style.cursor = "pointer";
AddEvent(caller, 'mouseover', function() {
if (typeof (this.swapTarget) == "undefined" || this.swapTarget == null)
return;
this.swapTarget.src = this.swapUrl;
this.swapTarget.alt = this.swapTarget.title = this.swapDescription;
this.swapTarget.swapZoomUrl = this.swapZoomUrl;
if (this.swapZoomUrl != null && this.swapZoomUrl != '')
this.swapTarget.style.cursor = "pointer";
else
this.swapTarget.style.cursor = "";
});
if (target.swapZoomEventAdded != true) {
AddEvent(target, 'mousedown', function() {
if (typeof (this.swapZoomUrl) == "undefined" || this.swapZoomUrl == null || this.swapZoomUrl == '')
return;
window.open(this.swapZoomUrl, 'Zoom', 'status=0,toolbar=0,location=0,menubar=0,directories=0,resizable=0,scrollbars=0,height=620,width=620', true);
});
target.swapZoomEventAdded = true;
}
if (isDefault) {
if (caller.swapZoomUrl != null && caller.swapZoomUrl != '')
target.style.cursor = "pointer";
else
target.style.cursor = "";
target.swapZoomUrl = caller.swapZoomUrl;
}
}
function PreloadImages() {
if (typeof (preloadImageArray) == "undefined")
return;
document.preloadedImages = new Array();
for (var i = 0; i < preloadImageArray.length; i++) {
var image = new Image();
image.src = preloadImageArray[i];
document.preloadedImages[i] = image;
}
}
AddEvent(document.body, 'load', function() { PreloadImages(); });
function ScrollToPosition(target, position) {
if (typeof (target) == "string")
target = document.getElementById(target);
if (typeof (target) == "undefined" || target == null)
return;
if (typeof (position) == "string") {
var positionTarget = document.getElementById(position);
if (typeof (positionTarget) == "undefined" || positionTarget == null)
return;
position = positionTarget.offsetTop - target.offsetTop;
if (position < target.scrollHeight - 100)
position -= 100;
}
target.scrollTop = position;
}