<!--

//constructor:
function ImageSwapObject(onPath,offPath,imgName,imgPath)
{
	if(document.images){
		this.on=new Image();
		this.on.src="../images/"+ imgPath + "/" + onPath;
		this.off=new Image();
		this.off.src="../images/"+imgPath + "/" + offPath;
		this.imageName=imgName;
	}
}


//force prototype creation:
new ImageSwapObject("on","off","name","path");

//functions:
function ImageSwapObject_turnOn()
{
	if(document.images){
		if(!document.layers){
			document.images[this.imageName].src=this.on.src;
		}
		else{
			document.images[this.imageName].src=this.on.src;
		}
		highlightMenu();
	}
}

function ImageSwapObject_turnOff()
{
	if(document.images){
		if(!document.layers){
			document.images[this.imageName].src=this.off.src;
		}
		else{
			document.images[this.imageName].src=this.off.src;
		}
		highlightMenu();
	}
}

//turn functions into methods:
ImageSwapObject.prototype.turnOn=ImageSwapObject_turnOn;
ImageSwapObject.prototype.turnOff=ImageSwapObject_turnOff;

var imgMenu = new Array("about","buy","news","testimonials","contact");

for(var i=0;i<imgMenu.length;i++)
{
	//alert("var m" + imgMenu[i] + " = new ImageSwapObject(\"" + imgMenu[i] + "-on.gif\",\"" + imgMenu[i] + "-off.gif\",\"i" + imgMenu[i] + "\",\"menu\");");
	eval("var m" + imgMenu[i] + " = new ImageSwapObject(\"" + imgMenu[i] + "-on.gif\",\"" + imgMenu[i] + "-off.gif\",\"i" + imgMenu[i] + "\",\"menu\");");
}

function highlightMenu()
{
	var strLocation = window.location.toString();
	var strFolders = strLocation.split("/");
	var strFolder = strFolders[strFolders.length-2]
	var menuItem = "i" + strFolder;

	for(var i=0;i<imgMenu.length;i++)
	{
		if(menuItem == "i" + imgMenu[i])
		{
			var offImage = imgMenu[i] + "-on.gif";
			var objImage = "i" + imgMenu[i];
			document.images[objImage].src = "../images/menu/" + offImage;
			break;
		}
	}
}

//-->