// Browser Detection
isMac = (navigator.appVersion.indexOf("Mac")!=-1) ? true : false;
NS4 = (document.layers) ? true : false;
IEmac = ((document.all)&&(isMac)) ? true : false;
IE4plus = (document.all) ? true : false;
IE4 = ((document.all)&&(navigator.appVersion.indexOf("MSIE 4.")!=-1)) ? true : false;
IE5 = ((document.all)&&(navigator.appVersion.indexOf("MSIE 5.")!=-1)) ? true : false;
ver4 = (NS4 || IE4plus) ? true : false;
NS6 = (!document.layers) && (navigator.userAgent.indexOf('Netscape')!=-1)?true:false;

// Body onload utility (supports multiple onload functions)
var gSafeOnload = new Array();
function SafeAddOnload(f)
{
	if (IEmac && IE4)  // IE 4.5 blows out on testing window.onload
	{
		window.onload = SafeOnload;
		gSafeOnload[gSafeOnload.length] = f;
	}
	else if  (window.onload)
	{
		if (window.onload != SafeOnload)
		{
			gSafeOnload[0] = window.onload;
			window.onload = SafeOnload;
		}		
		gSafeOnload[gSafeOnload.length] = f;
	}
	else
		window.onload = f;
}
function SafeOnload()
{
	for (var i=0;i<gSafeOnload.length;i++)
		gSafeOnload[i]();
}

 

 

function getWindowHeight() {
	 var windowHeight = 0;
	 if (typeof(window.innerHeight) =='number') {
		 windowHeight = window.innerHeight;
	 }
	 else {
		 if (document.documentElement &&
		 document.documentElement.clientHeight) {
			 windowHeight = document.documentElement.clientHeight;
		 }
		 else {
			 if (document.body && document.body.clientHeight) {
				 windowHeight = document.body.clientHeight;
			 }
		 }
	 }
	 return windowHeight;
 }

// this function is needed to work around 
// a bug in IE related to element attributes
function hasClass(obj) {
	var result = false;
	if (obj.getAttributeNode("class") != null) {
		result = obj.getAttributeNode("class").value;
	}
	return result;
}   


/*
*/
function tableRuler()
{
	if (document.getElementById && document.createTextNode)
	{
		var tables=document.getElementsByTagName('table');
		for (var i=0;i<tables.length;i++)
		{
			//if(tables[i].className=='ruler')
			if (tables[i].className.search(/ruler/) >= 0)
			{
				var trs=tables[i].getElementsByTagName('tr');
				for(var j=0;j<trs.length;j++)
				{
					if(trs[j].parentNode.nodeName=='TBODY')
					{
						trs[j].onmouseover = addTableRulerClass;
						trs[j].onmouseout = removeTableRulerClass;
					}
				}
			}
		}
	}
}

function removeTableRulerClass()
{
	this.className = this.oldClass;
}

function addTableRulerClass()
{
	this.oldClass = this.className;
	this.className = "ruled";
}

/*
function stripe(id) {

	// the flag we'll use to keep track of 
	// whether the current row is odd or even
	var even = false;
	
	// if arguments are provided to specify the colours
	// of the even & odd rows, then use the them;
	// otherwise use the following defaults:
//	var evenColor = arguments[1] ? arguments[1] : "#fff";
//	var oddColor = arguments[2] ? arguments[2] : "#eee";

	var evenClass = arguments[1] ? arguments[1] : "even";
	var oddClass = arguments[2] ? arguments[2] : "odd";
	
	// obtain a reference to the desired table
	// if no such table exists, abort
	var table = document.getElementById(id);
	if (! table) { return; }
	
	// by definition, tables can have more than one tbody
	// element, so we'll have to get the list of child
	// &lt;tbody&gt;s 
	var tbodies = table.getElementsByTagName("tbody");
	
	// and iterate through them...
	for (var h = 0; h < tbodies.length; h++) {
	
		// find all the &lt;tr&gt; elements... 
		var trs = tbodies[h].getElementsByTagName("tr");
		
		// ... and iterate through them
		for (var i = 0; i < trs.length; i++) {
		
			var clazz = even ? evenClass : oddClass;
			if (hasClass(trs[i])) {
				clazz = trs[i].className & "" & clazz;
			}
			trs[i].className = clazz;
			
		/*
			// avoid rows that have a class attribute
			// or backgroundColor style
			if (! hasClass(trs[i]) &&
				! trs[i].style.backgroundColor)
			{
			
				// get all the cells in this row...
				var tds = trs[i].getElementsByTagName("td");
				
				// and iterate through them...
				for (var j = 0; j < tds.length; j++) {
				
					var mytd = tds[j];
				
					// avoid cells that have a class attribute
					// or backgroundColor style
					if (! hasClass(mytd) &&
						! mytd.style.backgroundColor)
					{
						mytd.style.backgroundColor = even ? evenColor : oddColor;
					}
				}
			}
			// flip from odd to even, or vice-versa
			even =  ! even;
		}
	}
}	
*/

function stripeTables() {
	if (document.getElementById && document.createTextNode)
	{
		var tables=document.getElementsByTagName('table');
		for (var i=0;i<tables.length;i++)
		{
			//if(tables[i].className=='striped')
			if (tables[i].className.search(/striped/) >= 0)
			{
				stripe(tables[i]);
			}
		}
	}
}

function stripe(table) {

	// the flag we'll use to keep track of 
	// whether the current row is odd or even
	var even = false;
	
	// if arguments are provided to specify the classes
	// of the even & odd rows, then use the them;
	// otherwise use the following defaults:
	var evenClass = arguments[1] ? arguments[1] : "even";
	var oddClass = arguments[2] ? arguments[2] : "odd";
	
	// by definition, tables can have more than one tbody
	// element, so we'll have to get the list of child
	// &lt;tbody&gt;s 
	var tbodies = table.getElementsByTagName("tbody");
	
	// and iterate through them...
	for (var h = 0; h < tbodies.length; h++) {
	
		// find all the &lt;tr&gt; elements... 
		var trs = tbodies[h].getElementsByTagName("tr");
		
		// ... and iterate through them
		for (var i = 0; i < trs.length; i++) {
		
			var clazz = even ? evenClass : oddClass;
			if (hasClass(trs[i])) {
				clazz = trs[i].className & "" & clazz;
			}
			trs[i].className = clazz;
			
			// flip from odd to even, or vice-versa
			even =  ! even;
		}
	}
}	

/* 
function setFooter() {
	if (document.getElementById) {
		var windowHeight = getWindowHeight();
		if (windowHeight > 0) {
			var contentHeight = document.getElementById('content').offsetHeight;
			var footerElement = document.getElementById('footer');
			var footerHeight  = footerElement.offsetHeight;
			if (windowHeight - (contentHeight + footerHeight) >= 0) {
				footerElement.style.position = 'relative';
				footerElement.style.top = (windowHeight - (contentHeight + footerHeight)) + 'px';
			}
			else {
				footerElement.style.position = 'static';
			}
		}
	}
}
*/
function setFooter() {
	if (document.getElementById) {
		var windowHeight = getWindowHeight();
		if (windowHeight > 0) {
			var headerHeight = document.getElementById('header').offsetHeight;
			var containerHeight = document.getElementById('container').offsetHeight;
			var footerElement = document.getElementById('footer');
			var footerHeight  = footerElement.offsetHeight;
			if (windowHeight - (containerHeight) >= 0) {
				footerElement.style.position = 'relative';
				footerElement.style.top = (windowHeight - (containerHeight+headerHeight)) + 'px';
			}
			else {
				footerElement.style.position = 'static';
			}
		}
	}
}

function testbox(form, ctrl, value) {
	if (value == "" || value.indexOf ('@',1) == -1 ||
	value.indexOf ('.',3) == -1)
	{
		return (false);
	}
	else
	{
		return (true);
	}
}