// Navigation adopted from SuckerFish menus
sfHover = function() {
	var sfEls = document.getElementById("nav").getElementsByTagName("LI");
	for (var i=0; i<sfEls.length; i++) {
		sfEls[i].onmouseover=function() {
			this.className+=" sfhover";
		}
		sfEls[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
		}
	}
}
if (window.attachEvent) window.attachEvent("onload", sfHover);
if (window.attachEvent) window.attachEvent("onload", init);

/* 
Tests for very old web browsers (such as IE5), 
and warns a user once per day if they are using such a browser
*/
function testForOldBrowsers()
{
	// Test if the user has an old browser
	// If yes, iff the user does not have a 'browserChecked' cookie set to 'Yes', warn them, and set a cookie
	if (is_ie5up && !is_ie6up)
	{
		if (getCookie("browserChecked") != "Yes")
		{
			setCookie("browserChecked", "Yes");
			oldBrowserBox = confirm("You are running the Internet Explorer 5 browser.\nThis browser is not optimal for viewing DiamondPeak.com.\n\nWould you like to view information about upgrading your browser?");
			if (oldBrowserBox == true)
			{
				window.open("http://www.microsoft.com/windows/ie/downloads/Top10.mspx", "IEDownloads");
			}
			else
			{
				return false;
			}
		}
	}
}

function init() { 
  liveSearchInit();
  testForOldBrowsers();
}

// Jump menu
function jumpMenu(target,selectedObject,restore) { 
  eval(target+".location='"+selectedObject.options[selectedObject.selectedIndex].value+"'");
  if (restore) selectedObject.selectedIndex=0;
}

// pop centered window
function newWindow(URL,pageName,w,h,scroll,resize,toolbar) {
  LeftPosition	= (screen.width) ? (screen.width-w)/2 : 0;
  TopPosition	= (screen.height) ? (screen.height-h)/2 : 0;
  settings		= 'height='+h+',width='+w+',top='+TopPosition+',left='+LeftPosition+',scrollbars='+scroll+',resizable='+resize+',toolbar='+toolbar+'';
  pageName		= pageName.replace(/[^a-zA-Z 0-9]+/g,'');
  popup			= window.open(URL,pageName,settings);
}
 
// pop centered window full screen
function newFullWindow(URL,pageName,w,h,scroll,resize,toolbar) {
  LeftPosition	= 0;// (screen.width) ? (screen.width-w)/2 : 0;
  TopPosition	= 0; // (screen.height) ? (screen.height-h)/2 : 0;
  settings		= 'height='+screen.height+',width='+screen.width+',top='+TopPosition+',left='+LeftPosition+',scrollbars='+scroll+',resizable='+resize+',toolbar='+toolbar+'';
  pageName		= pageName.replace(/[^a-zA-Z 0-9]+/g,'');
  newWindow		= window.open(URL,pageName,settings);
}


/* use this code to call the script
<script language="JavaScript" type="text/javascript" src="/js/pop_win.js"></script>
<a href="javascript:newWindow('untitled.html','PageName','600','400','yes','yes','yes')">Link/Image or OnLoad</a>*/

/***********************************************************************************\
  toggle the visibility of a div in css
\***********************************************************************************/
// <a href="javascript:toggleDisplayForDIV('divToToggle')">Show/Hide DIV</a> 
function toggleDisplayForDIV(frameName) {
	var frame = document.getElementById(frameName);
	
	if (frame.style.display == 'block') {
		frame.style.display = 'none';
	} else {
		frame.style.display = 'block';
	}
}

/***********************************************************************************\
  make a div invisible
\***********************************************************************************/
// <a href="javascript:makeDIVInvisible('div')">Hide DIV</a> 
function makeDIVInvisible(div) {
	var frame = document.getElementById(div);
	frame.style.display = 'none';
}

/***********************************************************************************\
  make a div visible
\***********************************************************************************/
// <a href="javascript:makeDIVVisible('div')">Show DIV</a> 
function makeDIVVisible(div) {
	var frame = document.getElementById(div);
	frame.style.display = 'block';
}

/**
 * Sets a Cookie with the given name and value.
 *
 * name       Name of the cookie
 * value      Value of the cookie
 * [expires]  Expiration date of the cookie (default: end of current session)
 * [path]     Path where the cookie is valid (default: path of calling document)
 * [domain]   Domain where the cookie is valid
 *              (default: domain of calling document)
 * [secure]   Boolean value indicating if the cookie transmission requires a
 *              secure transmission
 */
function setCookie(name, value, expires, path, domain, secure) {
    document.cookie= name + "=" + escape(value) +
        ((expires) ? "; expires=" + expires.toGMTString() : "") +
        ((path) ? "; path=" + path : "") +
        ((domain) ? "; domain=" + domain : "") +
        ((secure) ? "; secure" : "");
}

/**
 * Gets the value of the specified cookie.
 *
 * name  Name of the desired cookie.
 *
 * Returns a string containing value of specified cookie,
 *   or null if cookie does not exist.
 */
function getCookie(name) {
    var dc = document.cookie;
    var prefix = name + "=";
    var begin = dc.indexOf("; " + prefix);
    if (begin == -1) {
        begin = dc.indexOf(prefix);
        if (begin != 0) return null;
    } else {
        begin += 2;
    }
    var end = document.cookie.indexOf(";", begin);
    if (end == -1) {
        end = dc.length;
    }
    return unescape(dc.substring(begin + prefix.length, end));
}

/**
 * Deletes the specified cookie.
 *
 * name      name of the cookie
 * [path]    path of the cookie (must be same as path used to create cookie)
 * [domain]  domain of the cookie (must be same as domain used to create cookie)
 */
function deleteCookie(name, path, domain) {
    if (getCookie(name)) {
        document.cookie = name + "=" +
            ((path) ? "; path=" + path : "") +
            ((domain) ? "; domain=" + domain : "") +
            "; expires=Thu, 01-Jan-70 00:00:01 GMT";
    }
}