var currImage="none";

if (document.images) 
	{
	forsale = new Image();	products.src = "/images/forsale.jpg"; 
	forsale_over = new Image();products_over.src = "/images/forsale_over.jpg";
	forsale_on = new Image();products_on.src = "/images/forsale_on.jpg";
	
   	firm = new Image();	products.src = "/images/firm.jpg"; 
	firm = new Image();products_over.src = "/images/firm_over.jpg";
	firm = new Image();products_on.src = "/images/firm_on.jpg";

	rent = new Image();	products.src = "/images/rent.jpg"; 
	rent = new Image();products_over.src = "/images/rent_on.jpg";
	rent = new Image();products_on.src = "/images/rent_on.jpg";


	}

function SetActive(imgName) 
{
    if (document.images)
    { 
        if(currImage!=imgName)
        {
           if(currImage!="none")
           {
               document.images[currImage].src="/images/"+currImage + ".jpg";
               document.images[imgName].src="/images/"+imgName+".jpg";
               currImage=imgName;
           }
        }
        else
            document.images[imgName].src="/images/"+imgName+".jpg";
            currImage=imgName;
    }
}

function SwapOff(imgName) 
{ 
    if (document.images)
    {
        if(imgName!=currImage)
        {
            document.images[imgName].src="/images/"+imgName+".jpg";
        }
    }
}

function SwapOn(imgName)
{
    if (document.images)
    { 
        if(imgName!=currImage)
        {
            document.images[imgName].src="/images/"+imgName+"_over.jpg";
        }
    }
}