// Set up and handle rollovers

gNumImages = 0;
var lastButton = "";
function imageHover(bName) {
	if (document.images) {
		if (lastButton != "") {
			imageNormal(lastButton);
		}
		lastButton=bName;
		if (!document.images[bName]) {
			return false;
		}
		document.images[bName].src = hoverSrc[bName];
		if (clickSrc[bName]) {
			tmpImage = new Image();
			tmpImage.src = clickSrc[bName];
			delete tmpImage;
		}
		if (imgStatusText[bName] != "") {
			self.status = imgStatusText[bName]; return true;
		}
	}
	return false;
}

function imageClick(bName) {
	if (document.images) {
		lastButton=bName;
		if (!document.images[bName] || clickSrc[bName] == "") return true;
		document.images[bName].src = clickSrc[bName];
	}
	return true;
}

function imageNormal(bName) {
	if(document.images && bName != "") {
		if (document.images[bName]) {
			document.images[bName].src = normalSrc[bName];
		}
		if (imgStatusText[bName] != "") {
			self.status = ""; return true;
		}
	}
	return false;
}

function RegImages(bName, normalSource, hoverSource, clickSource, statusText) {
	if (document.images) {
		gNumImages++;
		normalSrc[bName] = normalSource;
		hoverSrc[bName] = hoverSource;
		clickSrc[bName] = clickSource;
		imgStatusText[bName] = statusText;
	}
}

if (document.images) {
	hoverSrc = new Array(gNumImages);
	normalSrc = new Array(gNumImages);
	clickSrc = new Array(gNumImages);
	imgStatusText = new Array (gNumImages);
}

// Open the Help page

function openHelp(helpFile) {
	helpWin = window.open(helpFile,"help_window","toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=no,width=645,height=380");
	helpWin.window.focus();
}

// Open the refpage keyword search page

function openSearch() {
	searchWin = window.open("APROLOAD.HTM","Apropos","toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no,width=540,height=320");
	searchWin.window.focus();
}

// Open the MI keyword Search page

function openMISearch() {
  searchWin = window.open("MILOAD.HTM","MasterIndexSearch","toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no,width=540,height=320");
  searchWin.window.focus();
}