function img_act(imgName) {
	if (document.images){
    	imgOn = eval(imgName + "on.src");
        document [imgName].src = imgOn;
    }
}

function img_end(imgName) {
	if (document.images){
    	imgOn = eval(imgName + "off.src");
        document [imgName].src = imgOn;
    }
}

function tag_on(imgName) {
	if (document.images){
    	imgOn = eval(imgName + "tag.src");
        document ['tag'].src = imgOn;
    }
}

function tag_off() {
	if (document.images){
        document ['tag'].src = eval("tagoff.src");
    }
}

function mail()
{
	var win = window.open('mailto:?subject=We thought you might like to see this&body='+location.href);
	if (win && win.open &&!win.closed) win.close(); 
}

function popWindow(page, width, height){
	window.open(page,'newWin',"height="+height+",width="+width+",status=no,toolbar=no,menubar=no,location=no,scrollbars=yes");
}