var scalePhotos, demoSlider, maxHeight;

function createCookie(name,value,days)
{
	if (days) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else var expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(name)
{
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++)
	{
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}

function eraseCookie(name)
{
	createCookie(name,"",-1);
}

function scaleIt(v)
{
	floorSize = .5;
	
	ceilingSize = 1.0;
	
	v = floorSize + (v * (ceilingSize - floorSize));
	scalePhotosBasic = document.getElementsByClassName('tpattern')
	
	for (i = 0; i < scalePhotosBasic.length; i++) {
		scalePhotosBasic[i].style.width = (v * 80) + 'px';
	}
}


function loader()
{
	var thumbCookie = readCookie('psg_thumbsize');
	thumbview = new ajax('page.php', {postBody: 'dirName=Abstract',update: $('panel')});
	
	/*demoSlider = new Control.Slider('slider-handle', 'slider-bar', { axis:'horizontal', minimum: 0, maximum: 200, alignX: -5, increment: 2, sliderValue: thumbCookie });
	
	demoSlider.options.onSlide = function(value) {
		scaleIt(value);
	}
	
	demoSlider.options.onChange = function(value) {
		scaleIt(value);
		document.cookie = 'psg_thumbsize=' + value + '; expires=Fri, 4 Jan 2013 20:47:11 UTC; path=/';
	}
	if (thumbCookie != null) {	
		scaleIt(thumbCookie);
	} else {
		scaleIt(demoSlider.options.sliderValue);
	}
	
	if (thumbCookie != "") {
		scaleIt(thumbCookie);
		demoSlider.options.sliderValue = thumbCookie;
	} else {
		scaleIt(demoSlider.options.sliderValue);
	}*/
}