function zoomImg(){
	if (zoomPath != 0){  
			if (document.all){
				pgHeight = document.documentElement.clientHeight - 60;
			} else {
				pgHeight = window.innerHeight - 60;
			}
			pgWidth = (pgHeight * 0.8576) + 200;
		window.open('page.htm?PG=zoom&ImageFolder='+zoomPath,'ZoomWindow','left=0,top=0,resizable=no,scrollable=no,toolbar=no,status=no,location=no').focus();
	}
}

function hideElement(elName, el) { 
	if (document.getElementById){
		document.getElementById(elName).style.display = "none"; 
	} else {
		eval(el + '["'+elName+'"]' + varStyle + '.display = "none"'); 
	}
}

function showElement(elName, el) { 
	if (document.getElementById)	{
		document.getElementById(elName).style.display="block"; 
	} else {
		eval(el + '["' + elName+'"]' + varStyle + '.display="block"'); 
	}
} 

function swapImage(newImg,totalImgs,newPath){
	if (document.layers) { 
		el = "document.layers"; 
		varStyle = ""; 
	} else if (document.all) { 
		el = "document.all"; 
		varStyle = ".style"; 
	} else if (document.getElementById) { 
		el = "document.getElementByID"; 
		varStyle = ".style"; 
	} 
	for (i = 1; i <= totalImgs; i++) {
		hideElement('itemAltImage'+i, el);
	}
	showElement('itemAltImage'+newImg, el);
	zoomPath = newPath;
}


function swapZoomImage(newImg,totalImgs,newPath){
	if (document.layers) { 
		el = "document.layers"; 
		varStyle = ""; 
	} else if (document.all) { 
		el = "document.all"; 
		varStyle = ".style"; 
	} else if (document.getElementById) { 
		el = "document.getElementByID"; 
		varStyle = ".style"; 
	} 
	for (i = 1; i <= totalImgs; i++) {
		if (i != newImg) {
			hideElement('zoomAltImage'+i, el);
		}
	}
	showElement('zoomAltImage'+newImg, el);
}

function swapImageNoZoom(){
	if (document.layers) { 
		el = "document.layers"; 
		varStyle = ""; 
	} else if (document.all) { 
		el = "document.all"; 
		varStyle = ".style"; 
	} else if (document.getElementById) { 
		el = "document.getElementByID"; 
		varStyle = ".style"; 
	} 
	for (i = 1; i <= totalImgs; i++) {
		hideElement('itemAltImage'+i, el);
	}
	showElement('itemAltImage'+newImg, el);
	zoomPath = newPath;
}