var currImg = "none";
var currImgBW= "none";
function SwapImg(img,swp)
{ 
	if (document.images)
	{
		document.images[img].src=swp;	
	}
}
function mouseOverImg(img,swp)
{
	if (document.images)
	{   
	
	    document.images[img].vspace=1;	
		
		document.images[img].height =84;	
		document.images[img].width =84;	
		
		SwapImg(img,swp);
	}	
}
function mouseOutImg(img,swp)
{
	if (img == currImg)
	{
		return;	
	}
	if (document.images)
	{
		document.images[img].height =80;	
		document.images[img].width =80;	
		document.images[img].vspace=5;	
		SwapImg(img,swp);
	}	
}



function preloadImage(imgName)
{
	if (!document.myimages ) document.myimages=new Array();
	var d = document;
	d.myimages[imgName] = new Image();
	d.myimages[imgName].src = imgName;
	
}
function setTextColor(id,color)
{
	 var text = document.getElementById(id);
	 text.style.color=color;
}

var currProj = "none";
function selectProj(proj)
{
	if (currProj !="none")
	{
    	var prevImg = document.getElementById(currProj);
	   prevImg.src = "images/proj-marker-off.jpg";
		
	}
	
	currProj = proj;

	var img = document.getElementById(proj);
	img.src = "images/proj-marker-on.jpg";
}


function clickImg(img,bw)
{
var prevImg = currImg;
var prevImgBW = currImgBW;
	if (currImg!="none")
	{
			
			var prevImg = currImg;
			var prevImgBW = currImgBW;
			currImg = img;
			currImgBW = bw;
			mouseOutImg(prevImg,prevImgBW);
			return;
	}
	currImgBW = bw;
	currImg = img;
}