uco = new Image();
ump = new Image();
ucm = new Image();
umr = new Image();
ucd = new Image();
dco = new Image();
dmp = new Image();
dcm = new Image();
dmr = new Image();
dcd = new Image();
 
uco.src="graphics/upimgco.jpg";
ump.src="graphics/upimgmp.jpg";
ucm.src="graphics/upimgcm.jpg";
umr.src="graphics/upimgmr.jpg";
ucd.src="graphics/upimgcd.jpg";
dco.src="graphics/downimgco.jpg";
dmp.src="graphics/downimgmp.jpg";
dcm.src="graphics/downimgcm.jpg";
dmr.src="graphics/downimgmr.jpg";
dcd.src="graphics/downimgcd.jpg";

function swapImage (strImageId,img,blnOut) {
	document.getElementById("divtitlewelcome").style.display='none';
	document.getElementById("divimgco").style.display='none';
	document.getElementById("divimgmp").style.display='none';
	document.getElementById("divimgcm").style.display='none';
	document.getElementById("divimgmr").style.display='none';
	document.getElementById("divimgcd").style.display='none';
	if(blnOut==true) {
		document.getElementById("divtitlewelcome").style.display='block';
	}
	else {
		document.getElementById("div" + strImageId).style.display='block';
	}
	document.getElementById(strImageId).src = "graphics/"+img;
}