var ColorSwap = true;
function RollOff() {if(!ColorSwap)return;var imagename = getBackgroundImage('MainPicture');imagename = imagename.replace('.jpg' , '_color.jpg');setBackgroundImage(imagename , '' , ColorSwap);}
function RollOn() {if(!ColorSwap)return;var imagename = getBackgroundImage('MainPicture');imagename = imagename.replace('_color.jpg' , '.jpg');setBackgroundImage(imagename , '' , ColorSwap);}
function setBackgroundImage (imageURL , size , color){var Main , Outline;Main = 'MainPicture';Outline = 'MainPicBorder';ColorSwap = color;sizeNum = parseInt(size);
if (imageURL == 'none' || imageURL == "" || imageURL == null){return;}if (document.layers){if(size != ''){document[Main].height = (sizeNum-6);document[Outline].height = (sizeNum-9);}
document[id].background.src = imageURL == 'none' ? null : imageURL;}else if (document.all){if(size != '' ) {document.all[Main].style.height = (sizeNum-6)+'px';document.all[Outline].style.height = (sizeNum-9)+'px';}
document.all[Main].style.backgroundImage = imageURL == 'none' ? 'none' : 'url(' + imageURL + ')';}else if (document.getElementById){if(size != ''){
document.getElementById(Main).style.height = (sizeNum-6)+'px';document.getElementById(Outline).style.height = (sizeNum-9)+'px';}document.getElementById(Main).style.backgroundImage = imageURL == 'none' ? 'none' : 'url(' + imageURL + ')';}
}function getBackgroundImage (id) {
if (document.layers)return document[id].background.src;else if (document.all){r = document.all[id].style.backgroundImage;r = r.replace('url(' , '');r = r.replace(')' , '');return r;}
else if (document.getElementById){r = document.getElementById(id).style.backgroundImage;r = r.replace('url(' , '');	r = r.replace(')' , '');return r;}return "noneish";
}function preLoadImages(){
var i , args = preLoadImages.arguments;var img , j = 0;imgarray = new Array();for(i = 0; i < args.length ; i++){
img = args[i];imgarray[j] = new Image;imgarray[j++].src = 'images/gallery/'+img+'.jpg';imgarray[j] = new Image;imgarray[j++].src = 'images/gallery/'+img+'_color.jpg';	}
}