//CSS Browser Selector v0.2.6a
//Documentation: http://rafael.adm.br/css_browser_selector
//License: http://creativecommons.org/licenses/by/2.5/
//Author: Rafael Lima (http://rafael.adm.br)
//Contributors: http://rafael.adm.br/css_browser_selector#contributors
// RD added iphone/ipod
var css_browser_selector = function() {
var ua=navigator.userAgent.toLowerCase(),
is=function(t){return ua.indexOf(t) != -1;},
h=document.getElementsByTagName('html')[0],
b=(!(/opera|webtv/i.test(ua))&&/msie (\d)/.test(ua))?('ie ie'+RegExp.$1):is('gecko/')? 'gecko':is('opera/9')?'opera opera9':/opera (\d)/.test(ua)?'opera opera'+RegExp.$1:is('konqueror')?'konqueror':is('applewebkit/')?'webkit safari':is('mozilla/')?'gecko':'',
os=(is('x11')||is('linux'))?' linux':is('ipod')?' iphone':is('iphone')?' iphone':is('mac')?' mac':is('win')?' win':'';
var c=b+os+' js'; h.className += h.className?' '+c:c;
}();



//========================
// General functions
//========================

var isNav4, isNav6, isIE4;
setBrowser();


//
// addLoadEvent()
// Adds event to window.onload without overwriting currently assigned onload functions.
// Function found at Simon Willison's weblog - http://simon.incutio.com/
//
function addLoadEvent(func)
{	
	var oldonload = window.onload;
	if (typeof window.onload != 'function'){
    	window.onload = func;
	} else {
		window.onload = function(){
		oldonload();
		func();
		}
	}

}



//
// pause(numberMillis)
// Pauses code execution for specified time. Uses busy code, not good.
// Code from http://www.faqts.com/knowledge_base/view.phtml/aid/1602
//
function pause(numberMillis) {
	var now = new Date();
	var exitTime = now.getTime() + numberMillis;
	while (true) {
		now = new Date();
		if (now.getTime() > exitTime)
			return;
	}
}


/*
 * Browser version snooper; determines your browser
 * (Navigator 4, Navigator 6, or Internet Explorer 4/5)
 */
function setBrowser()
{
    if (navigator.appVersion.charAt(0) == "4")
    {
        if (navigator.appName.indexOf("Explorer") >= 0)
        {
            isIE4 = true;
        }
        else
        {
            isNav4 = true;
        }
    }
    else if (navigator.appVersion.charAt(0) > "4")
    {
        isNav6 = true;
    }
}


/*
 *
 * Given a selector string, return a style object
 * by searching through stylesheets. Return null if
 * none found
 *
 */
function getStyleBySelector( selector )
{
    if (!isNav6)
    {
        return null;
    }
    var sheetList = document.styleSheets;
    var ruleList;
    var i, j;
    /* look through stylesheets in reverse order that
       they appear in the document */
    for (i=sheetList.length-1; i >= 0; i--)
    {
        ruleList = sheetList[i].cssRules;
        for (j=0; j<ruleList.length; j++)
        {
            if (ruleList[j].type == CSSRule.STYLE_RULE &&
                ruleList[j].selectorText == selector)
            {
                return ruleList[j].style;
            }   
        }
    }
    return null;
}


/*
 *
 * Given an id and a property (as strings), return
 * the given property of that id.  Navigator 6 will
 * first look for the property in a tag; if not found,
 * it will look through the stylesheet.
 *
 * Note: do not precede the id with a # -- it will be
 * appended when searching the stylesheets
 *
 */
function getIdProperty( id, property )
{
    if (isNav6)
    {
        var styleObject = document.getElementById( id );
        if (styleObject != null)
        {
            styleObject = styleObject.style;
            if (styleObject[property])
            {
                return styleObject[property];
            }
        }
        styleObject = getStyleBySelector( "#" + id );
        return (styleObject != null) ?
            styleObject[property]	:
            null;
    }
    else if (isNav4)
    {
        return document[id][property];
    }
    else
    {
        return document.all[id].style[property];
    }
}


/*
 *
 * Given an id and a property (as strings), set
 * the given property of that id to the value provided.
 *
 * The property is set directly on the tag, not in the
 * stylesheet.
 *
 */
function setIdProperty( id, property, value )
{
    if (isNav6)
    {
        var styleObject = document.getElementById( id );
        if (styleObject != null)
        {
            styleObject = styleObject.style;
            styleObject[property] = value;
        }
    }
    else if (isNav4)
    {
        document[id][property] = value;
    }
    else if (isIE4)
    {
         document.all[id].style[property] = value;
    }
}



//========================
// Site Specific functions
//========================

function viewdetail(theURL)
	{
	window.open(theURL, 'DetailView', 'scrollbars=yes,status=no,toolbar=no,location=no,menubar=no,resizable=yes,height=530,width=730');
	}


function toggleVisibleElement(object)
	{
	var current = getIdProperty( object, "display");
	
	if (current!="block")
		{
    	setIdProperty( object, "display", "block");
    	}
    else
    	{
    	setIdProperty( object, "display", "none");
    	}
	}
	

function showPic (whichpic)
	{ 
	if (document.getElementById)
		{ 
		document.getElementById('mainPic').src = whichpic.href; 
		if (whichpic.title)
			{ 
			document.getElementById('caption').childNodes[0].nodeValue = whichpic.title;
			}
		else
			{ 
			document.getElementById('caption').childNodes[0].nodeValue = whichpic.childNodes[0].nodeValue;
			} 
		return false;
		}
	else
		{ 
		return true;
		}
	}


function confirmaction(theAction,theForm)
	{
	var answer=confirm(theAction);
	if (answer)
		document.forms[theForm].submit();
	}