//
// pageutils_ns4.js
// JavaScript functions for use on HOA site pages
// browser version variables come from the 'overlib.js' library, so this source must be used
// in conjunction with it
// these functions should work with any version of 'pagemenu_*.inc' that uses a table of IMG objects
// to present the menu buttons; currently tested browsers incldue: ns4, ns6, ie5.5 and ie6
//
var btnNormalFile;
var btnHoverFile;
var btnNormalImage;
var btnHoverImage;
var menuItemDivContent;

function buttonInit(argNormalFile, argHoverFile) {
btnNormalFile = argNormalFile;
btnHoverFile = argHoverFile;
btnNormalImage = new Image();
btnNormalImage.src = btnNormalFile;
btnHoverImage = new Image();
btnHoverImage.src = btnHoverFile;
}

function pageInit(argNormalFile, argHoverFile) 
{
	if (ns4) 
	{
 		// need to initialize the menu_item div
 		document.menu_item.document.write(menuItemDivContent);
 		document.menu_item.document.close();
 		document.menu_item.visibility = "show";
 	}
	overlib('initializing', FIXX, 0, FIXY, 0); nd();
	overlib('initializing', FIXX, 0, FIXY, 0); nd();
}
// these functions change the button by swapping the IMG object src property
function miMouseOver(btnId) 
{
	if (ie4 || ie5) 
	{
 		document.all[btnId].src = btnHoverImage.src;
 	}
	else 
	{
 		document[btnId].src = btnHoverImage.src;
 	}
		return true;
	}
	function miMouseOut(btnId) 
	{
		if (ie4 || ie5) 
		{
 			document.all[btnId].src = btnNormalImage.src;
 		}
		else 
		{
 			document[btnId].src = btnNormalImage.src;
 		}
		return true;
	}
function popupWin(url) 
{
	newPopupWin = window.open(url, 'newPopupWin', 'width=500,height=340,scrollbars');
	newPopupWin.focus();
}
function changeImage(selectField, image) 
{
	fileName = selectField.options[selectField.selectedIndex].value;
	len = fileName.indexOf('-');
	fileID = fileName.substring(0, len);
	if (fileID == 0) 
	{
 		src = '/h-o-a-home/images/spacer.gif';
 		src = '/h-o-a-home/images/no-picture.jpg';
 	}
	else 
	{
 		src = '../sendpic.html?fid=' + fileID + '&w=150';
 	}
	image.src = src;
}
function changeImage2(selectField, image) 
{
	fileName = selectField.options[selectField.selectedIndex].value;
	len = fileName.indexOf('-');
	fileID = fileName.substring(0, len);
	if (fileID == 0) 
	{
 		//src = '/h-o-a-home/images/spacer.gif';
 		src = '/h-o-a-home/images/no-picture.jpg';
 	}
	else 
	{
 		src = 'sendpic.html?fid=' + fileID + '&w=150';
 	}
	image.src = src;
}
function fieldExists(theForm, fieldName) 
{
 	for (var i = 0; i < theForm.length; i++) 
 	{
 		if (theForm.elements[i].name == fieldName) 
 		{
 			return true;
 		}
 	}
 	return false;
}