//image swapper
	var clickedimg="", overimg="", downimg="";
        var imgs=(document.images) ? 1:0

	function swpimg(theimg,newsrc){
		if(imgs){
			oldsrc=document.images[theimg].src; overimg=theimg
			document.images[theimg].src=newsrc
		}
	}

	function swpback(){
		if(overimg!="" && overimg!=clickedimg &&overimg!=downimg){
			if(imgs){ document.images[overimg].src=oldsrc }
		}
	}

	function clickit(){
		if(clickedimg!=""){
			document.images['clickedimg'].src=clickedimgoldsrc
		}
		clickedimg=overimg; clickedgimgoldsrc=oldsrc
	}