var calcS = 5;
var calcM = 3;
function calcSize(x){calcS = x;updateCalc();}
function calcMonths(x){calcM = x;updateCalc();}
function updateCalc(){

	//newSize = calcS + (	calcS * ( calcM * 6 ) / 100);
	newSize = calcS + ( calcM / 12 ) * 2.75
	gainSize = newSize - calcS;
	newSize = Math.round(newSize*100)/100;
	gainSize = Math.round(gainSize*100)/100;
	gei('calcResultV').innerHTML = '<span class="calcNewSize">'+newSize + '"</span><span class="calcGainSize">Gain of '+ gainSize + '"<br>over '+calcM+' months.</span>';


}

window.addEvent('domready', function(){
	var el = $('sld1');
	new Slider(el, el.getElement('.knob'), {steps: 18, offset: 5,onChange: function(value){calcSize((value /2)+1);}}).set(9);
	var e2 = $('sld2');
	new Slider(e2, e2.getElement('.knob'), {steps: 9, offset:5,onChange: function(value){calcMonths((value+3));}}).set(3);

	$('extenderImg').onclick = function(){jump('http://www.fastsize.com/extender/');};
});

try{function gei(x){return document.getElementById(x); }}catch(e){}
try{function toggleClass(x,y){ x.className=y;}}catch(e){}
try{function jump(x){ window.location=x;}}catch(e){}

function toggleTabs(selObj){
	x = gei('hPTab1').getElementsByTagName("li");
	for(i=0;i<x.length;i++) x[i].className = '';
	gei('hPTab1Box1').style.display='none';
	gei('hPTab1Box2').style.display='none';
	gei('hPTab1Box3').style.display='none';
	x[selObj].className='sel';
	gei('hPTab1Box'+(selObj+1)).style.display='block';
	gei('videoplayerF').src='about:blank';
	if((selObj+1) == 2) toggleVid(1);
}

function hpInit(){
	try{
		x = gei('hPTab1').getElementsByTagName("li");
		for(i=0;i<x.length;i++) x[i].onclick = new Function("toggleTabs("+i+");");
		x = gei('hPbtns1').getElementsByTagName("li");
		for(i=0;i<x.length;i++){lnk = x[i].getElementsByTagName("a")[0].href;x[i].onclick = new Function("jump('"+lnk+"');");}
		x = gei('hPbtns2').getElementsByTagName("li");
		for(i=0;i<x.length;i++){lnk = x[i].getElementsByTagName("a")[0].href;x[i].onclick = new Function("jump('"+lnk+"');");}
		x = gei('hPbtns3').getElementsByTagName("li");
		for(i=0;i<x.length;i++){lnk = x[i].getElementsByTagName("a")[0].href;x[i].onclick = new Function("jump('"+lnk+"');");}
	}catch(e){}
}

function toggleVid(vidId){
	gei('videoplayerF').src = 'videoPlayer.php?vid='+vidId;
	gei('videocaptionL').innerHTML = gei('videoLab'+vidId).innerHTML;
	gei('vidLink1').className ='';
	gei('vidLink2').className ='';
	gei('vidLink3').className ='';
	gei('vidLink'+vidId).className ='sel';
}

function toggleTestimonial(testId){
	gei('testimonialLink1').className = '';
	gei('testimonialLink2').className = '';
	gei('testimonialLink3').className = '';
	gei('testimonial1').style.display = 'none';
	gei('testimonial2').style.display = 'none';
	gei('testimonial3').style.display = 'none';
	gei('testimonial'+testId).style.display = 'block';
	gei('testimonialLink'+testId).className = 'sel';
}
window.addEvent('domready', function(){hpInit();});