function ShowImageLarge(showhide) {
	if (showhide == 'hide') {
		document.getElementById('image_large').style.display = 'none';
	} else {
		document.getElementById('image_large').style.display = 'block';		
	}
}
function HideOneDiv(div_id) {
	if (document.getElementById) { 
		divtohide = document.getElementById(div_id); 
		divtohide.style.display = 'none';
}}
function ShowOneDiv(div_id) {
	if (document.getElementById) { 
		divtoshow = document.getElementById(div_id); 
		divtoshow.style.display = 'block';
}}