var rolloverImagePath = "";
var arrowPath ="";
var doubleRollPath = "";
// pathway set by the linked html page

function msover(img1){
	if (document.images) document.images[img1].src = rolloverImagePath + img1 + '_over.gif';
}

function msout(img1){
	if (document.images) document.images[img1].src = rolloverImagePath + img1 + '.gif';
}


function msover2(img1,img2){
	if (document.images) {
		document.images[img1].src = doubleRollPath + img1 + '_over.gif';
		document.images[img2].src = doubleRollPath + img2 + '_over.gif';
	}
}

function msout2(img1,img2){
	if (document.images){
		document.images[img1].src = doubleRollPath + img1 + '.gif';
		document.images[img2].src = doubleRollPath + img2 + '.gif';
	}
}

function showArrow(img1,colour){
	if (document.images) document.images[img1].src = arrowPath + colour+ '_arrow.gif';
}

function hideArrow(img1){
	if (document.images) document.images[img1].src = arrowPath + 'clear_arrow.gif';
}