function showFull (imageDiv, imageSrc, imageHeight, imageWidth, imageLeft, imageDown) {
	// write out the holding frame
	if (document.getElementById || document.all){
		newHTML = '<div>';
		newHTML = newHTML + '<img src="' + imageSrc +
			'" class="image_full" style="height:' + imageHeight + 'cm;' +
			' width:' + imageWidth + 'cm;' + '">';
		newHTML = newHTML + '</div>';
		styleTop = imageDown +   "cm";
		styleLeft = imageLeft +  "cm";

		if (document.getElementById) {
			document.getElementById(imageDiv).style.top = styleTop;
			document.getElementById(imageDiv).style.left = styleLeft;
			document.getElementById(imageDiv).innerHTML = newHTML;
		} else if (document.all) {
			document.all.imageDiv.style.top = styleTop;
			document.all.imageDiv.style.left = styleLeft;
			document.all.imageDiv.innerHTML = newHTML;
		}
		imageAction(imageDiv, 'visible');
	}

}

function imageAction(imageDiv, hideAction) {
	if (document.getElementById) {
		document.getElementById(imageDiv).style.visibility = hideAction;
	} else if (document.all) {
		document.all.imageDiv.style.visibility = hideAction;
	}
}