function changeFilters() {
	category = $('category').value;
	$('subcategory').options.length = 0;
	$('subcategory').options[0] = new Option("All",0,true,false);
	if (typeof(SubCategory[category]) != 'undefined') {
		for (i=0;i<=SubCategory[category].length-1;i++) {
			$('subcategory').options[i+1] = new Option(SubCategory[category][i],SubCategoryValue[category][i],false,false);
		}
	}
	$('quality').options.length = 0;
	$('quality').options[0] = new Option("All",0,true,false);
	if (typeof(Quality[category]) != 'undefined') {
		for (i=0;i<=Quality[category].length-1;i++) {
			$('quality').options[i+1] = new Option(Quality[category][i],QualityValue[category][i],false,false);
		}
	}
}

function changeFilters_bot() {
	category = $('category_bot').value;
	$('subcategory_bot').options.length = 0;
	$('subcategory_bot').options[0] = new Option("All",0,true,false);
	if (typeof(SubCategory[category]) != 'undefined') {
		for (i=0;i<=SubCategory[category].length-1;i++) {
			$('subcategory_bot').options[i+1] = new Option(SubCategory[category][i],SubCategoryValue[category][i],false,false);
		}
	}
	$('quality_bot').options.length = 0;
	$('quality_bot').options[0] = new Option("All",0,true,false);
	if (typeof(Quality[category]) != 'undefined') {
		for (i=0;i<=Quality[category].length-1;i++) {
			$('quality_bot').options[i+1] = new Option(Quality[category][i],QualityValue[category][i],false,false);
		}
	}
}

function hideCategory(id) {
	if ($('state'+id).innerHTML == '+') {
		for (i=1;i<=3;i++) {
			if ($(id+'-'+i+'-1')) {
				$(id+'-'+i+'-1').style.display = '';
				$(id+'-'+i+'-2').style.display = '';
			}
		}
		$('toggle'+id).innerHTML = '<img src="/img/minus.png" alt="Collapse" style="border: none;" height="16" />';
		$('state'+id).innerHTML = '-';
	} else{
		if ($('state'+id).innerHTML == '-') {
			for (i=1;i<=3;i++) {
				if ($(id+'-'+i+'-1')) {
					$(id+'-'+i+'-1').style.display = 'none';
					$(id+'-'+i+'-2').style.display = 'none';
				}
			}
			$('toggle'+id).innerHTML = '<img src="/img/plus.gif" alt="Expand" style="border: none;" height="16" />';
			$('state'+id).innerHTML = '+';
		}
	}
}

function parseImg() {
	var imgs = document.getElementsByTagName('img');
	for (var i=0; i < imgs.length; i++) {
		var img = imgs[i];
		var image = new Image();
		image.src = img.src;
		if (image.width > 630) {
			img.style.height = parseInt(image.height * 630 / img.width) + "px";
			img.style.width = "630px";
		}
		img.src = image.src;
	}
}