var perpage = 12;
var str = '';
function build_search_link() {
	sort = document.forms['productsearch'].sort.value;
	order = document.forms['productsearch'].order.value;
	alloy = document.forms['productsearch'].alloy.value;
	
	switch(perpage) {
		case 12:
		document.getElementById('pp12').style.backgroundColor = "#b0b0b0";
		document.getElementById('pp24').style.backgroundColor = "#eeeeee";
		document.getElementById('ppall').style.backgroundColor = "#eeeeee";
		case 12:
		document.getElementById('bpp12').style.backgroundColor = "#b0b0b0";
		document.getElementById('bpp24').style.backgroundColor = "#eeeeee";
		document.getElementById('bppall').style.backgroundColor = "#eeeeee";
		break;
		case 24:
		document.getElementById('pp12').style.backgroundColor = "#eeeeee";
		document.getElementById('pp24').style.backgroundColor = "#b0b0b0";
		document.getElementById('ppall').style.backgroundColor = "#eeeeee";
		document.getElementById('bpp12').style.backgroundColor = "#eeeeee";
		document.getElementById('bpp24').style.backgroundColor = "#b0b0b0";
		document.getElementById('bppall').style.backgroundColor = "#eeeeee";
		break;
		case 'all':
		document.getElementById('pp12').style.backgroundColor = "#eeeeee";
		document.getElementById('pp24').style.backgroundColor = "#eeeeee";
		document.getElementById('ppall').style.backgroundColor = "#b0b0b0";
		document.getElementById('bpp12').style.backgroundColor = "#eeeeee";
		document.getElementById('bpp24').style.backgroundColor = "#eeeeee";
		document.getElementById('bppall').style.backgroundColor = "#b0b0b0";
		break;
	}

	str = "sort="+sort+"|order="+order+"|perpage="+perpage;
	if(alloy != 0) {
		str = str+"|alloy="+alloy;
	}
}

function go() {
	window.location = base+'/'+str;
}