//** jQuery Scroll to Top Control script- (c) Dynamic Drive DHTML code library: http://www.dynamicdrive.com.
//** Available/ usage terms at http://www.dynamicdrive.com (March 30th, 09')
//** v1.1 (April 7th, 09'):
//** 1) Adds ability to scroll to an absolute position (from top of page) or specific element on the page instead.
//** 2) Fixes scroll animation not working in Opera. 
var templangid=window.location.search.substring(1);
var langid;
gy = templangid.split("&");

for (i=0;i<gy.length;i++)
 {
    ft = gy[i].split("=");
    
    if (ft[0] == 'langid') 
    {
    langid = ft[1];
    }
}
//alert(langid);
var html_content =  '<table width="100%" border="0" cellspacing="0" cellpadding="0"  align="center"> \
                <tr> \
                    <td bgcolor="#000000" align="center"><a href="http://www.wrs.com.sg/" target="blank"><img src="images/footer/wrs.jpg" height="42" border="0"></a>\
                        </td>\
                    <td height="42" align="center" valign="middle" bgcolor="#000000" width="509"> \
                        <table width="509" border="0" cellspacing="0" cellpadding="0"> \
                            <tr> \
                                <td> \
                                    <a href="l2_t1.aspx?l2=1&l1=1&langid='+langid+'" onmouseout="MM_swapImgRestore()" onmouseover="MM_swapImage(\'Image9\',\'\',\'images/footer/about_on.gif\',1)"> \
                                        <img src="images/footer/about.gif" alt="About Us" name="Image9" width="69" height="26" border="0" id="Image9" /></a></td> \
                                <td> \
                                    <a href="l3_t1.aspx?l3=2&l2=1&l1=1&langid='+langid+'" onmouseout="MM_swapImgRestore()" onmouseover="MM_swapImage(\'Image10\',\'\',\'images/footer/accolodates_on.gif\',1)"> \
                                        <img src="images/footer/accolodates.gif" alt="Accolodates" name="Image10" width="91" height="26" border="0" id="Image10" /></a></td> \
                                <td> \
                                    <a href="l2_t1.aspx?l1=9&l2=29&langid='+langid+'" onmouseout="MM_swapImgRestore()" onmouseover="MM_swapImage(\'Image11\',\'\',\'images/footer/careers_on.gif\',1)"> \
                                        <img src="images/footer/careers.gif" alt="Careers" name="Image11" width="144" height="26" border="0" id="Image11" /></a></td> \
                                <td> \
                                    <a href="sitemap.aspx?langid='+langid+'" onmouseout="MM_swapImgRestore()" onmouseover="MM_swapImage(\'Image12\',\'\',\'images/footer/sitemap_on.gif\',1)"> \
                                        <img src="images/footer/sitemap.gif" alt="Sitemap" name="Image12" width="67" height="26" border="0" id="Image12" /></a></td> \
                                <td> \
                                    <a href="faqs.aspx?langid='+langid+'" onmouseout="MM_swapImgRestore()" onmouseover="MM_swapImage(\'Image13\',\'\',\'images/footer/faqs_on.gif\',1)"> \
                                        <img src="images/footer/faqs.gif" alt="FAQs" name="Image13" width="52" height="26" border="0" id="Image13" /></a></td> \
                                <td> \
                                    <a href="contactus.aspx?l2=0&l1=8&langid=1" onmouseout="MM_swapImgRestore()" onmouseover="MM_swapImage(\'Image14\',\'\',\'images/footer/contact_on.gif\',1)"> \
                                        <img src="images/footer/contact.gif" alt="Contact Us" name="Image14" width="86" height="26" border="0" id="Image14" /></a></td> \
                            </tr> \
                        </table> \
                    </td> \
                    <td   bgcolor="#000000" align="center"><a href="http://www.microsoft.com/windows/internet-explorer/worldwide-sites.aspx" target="blank"><img src="images/footer/rights-reserved.jpg"  border="0"> \
                        </td> \
                </tr> \
            </table>'; 
                
                
//alert(html_content.length);
var scrolltotop={
	//startline: Integer. Number of pixels from top of doc scrollbar is scrolled before showing control
	//scrollto: Keyword (Integer, or "Scroll_to_Element_ID"). How far to scroll document up when control is clicked on (0=top).
	setting: {startline:1, scrollto: -1, scrollduration:1000, fadeduration:[500, 100]},
	controlHTML: html_content, //HTML for control, which is auto wrapped in DIV w/ ID="topcontrol"
	controlattrs: {offsetx:0, offsety:0}, //offset of control relative to right/ bottom of window corner
	anchorkeyword: '', //Enter href value of HTML anchors on the page that should also act as "Scroll Up" links

	state: {isvisible:false, shouldvisible:true},

	scrollup:function(){
		if (!this.cssfixedsupport) //if control is positioned using JavaScript
			this.$control.css({opacity:0}) //hide control immediately after clicking it
		var dest=isNaN(this.setting.scrollto)? this.setting.scrollto : parseInt(this.setting.scrollto)
		if (typeof dest=="string" && jQuery('#'+dest).length==1) //check element set by string exists
			dest=jQuery('#'+dest).offset().top
		else
			dest=-1
		//this.$body.animate({scrollTop: dest}, this.setting.scrollduration);
	},

	keepfixed:function(){
		var $window=jQuery(window)
		var controlx=$window.scrollLeft() + $window.width() - this.$control.width() - this.controlattrs.offsetx
		var controly=$window.scrollTop() + $window.height() - this.$control.height() - this.controlattrs.offsety
		this.$control.css({left:controlx+'px', top:controly+'px'})
	},

	togglecontrol:function(){
		var scrolltop=jQuery(window).scrollTop()
		if (!this.cssfixedsupport)
			this.keepfixed()
		this.state.shouldvisible=true; //(scrolltop>=this.setting.startline)? true : false
		if (this.state.shouldvisible && !this.state.isvisible){
			this.$control.stop().animate({opacity:1}, this.setting.fadeduration[0])
			this.state.isvisible=true
		}
		else if (this.state.shouldvisible==false && this.state.isvisible){
			this.$control.stop().animate({opacity:0}, this.setting.fadeduration[1])
			this.state.isvisible=false
		}
	},
	
	init:function(){
		jQuery(document).ready(function($){
			var mainobj=scrolltotop
			var iebrws=document.all
			mainobj.cssfixedsupport=!iebrws || iebrws && document.compatMode=="CSS1Compat" && window.XMLHttpRequest //not IE or IE7+ browsers in standards mode
			mainobj.$body=(window.opera)? (document.compatMode=="CSS1Compat"? $('html') : $('body')) : $('html,body')
			mainobj.$control=$(mainobj.controlHTML)
			//mainobj.$control=$('<div id="topcontrol">'+mainobj.controlHTML+'</div>')
				.css({position:mainobj.cssfixedsupport? 'fixed' : 'absolute', bottom:mainobj.controlattrs.offsety, right:mainobj.controlattrs.offsetx, opacity:0, cursor:'arrow'})
				//.attr({title:'Scroll Back to Top'})
				//.click(function(){mainobj.scrollup(); return false})
				.appendTo('body')
			if (document.all && !window.XMLHttpRequest && mainobj.$control.text()!='') //loose check for IE6 and below, plus whether control contains any text
				mainobj.$control.css({width:mainobj.$control.width()}) //IE6- seems to require an explicit width on a DIV containing text
			mainobj.togglecontrol()
			//$('a[href="' + mainobj.anchorkeyword +'"]').click(function(){
			//	mainobj.scrollup()
			//	return false
			//})
			$(window).bind('scroll resize', function(e){
				mainobj.togglecontrol()
			})
		})
	}
}

scrolltotop.init()