{* $Id: product_options_scripts.tpl 617 2005-09-17 22:39:19Z zeke $ *}
<script type="text/javascript" language="javascript 1.2">
price_modifier = new Array();
modifier_type = new Array();
filled_modifiers = new Array();
modifier_price = 0;


{literal}
function fn_change_price(option_id, variant_id, js_price, product_id)
{
	var tmp = '';

	if (modifier_type[variant_id] == 'A') {
	// Absolute modifier
		modified_price = eval(price_modifier[variant_id]);
	} else {
	// Percentage modifier
		mod = "(("+price_modifier[variant_id]+" * "+js_price+") / 100)";
		modified_price = eval(mod);
	}
	
	if (variant_id == 0) { // for checkbox if not checked
		modified_price = 0;
	} 

	filled_modifiers[option_id] = modified_price;

	for (i=0;i<filled_modifiers.length;i++) {
		if (filled_modifiers[i]!=null) {
			ss = (filled_modifiers[i].toString().indexOf('-') == -1) ? '+' + filled_modifiers[i] : filled_modifiers[i];
			tmp = tmp + ss;
		}
	}

	document.getElementById('price_display_'+product_id).innerHTML = fn_format_price(eval(js_price+'+ ('+tmp+')'),2);
	document.forms['productform_'+product_id].price.value = fn_format_price(eval(js_price+'+ ('+tmp+')'),2);
}

function fn_format_price(price, precision) 
{
	var x, cnt, top, botom;

	precision = Math.pow(10, precision);
	price = Math.round(price*precision)/precision;
	top = Math.floor(price);
	bottom = Math.round((price-top)*precision)+precision;
	top = top+"";
	bottom = bottom+"";
	cnt = 0;
	for(x = top.length; x >= 0; x--) {
		if(cnt%3 == 0 && cnt > 0 && x > 0)
			top = top.substr(0,x)+","+top.substr(x,top.length);
		cnt++;
	}
	price = top+"."+bottom.substr(1,bottom.length);
	return price;
}

function fn_check_options(block_id)
{
	block = document.getElementById(block_id);
	
	var regex_s = new RegExp();
	var regex_s1 = new RegExp();

	regex_s.compile("fn_change_price\\('\\d',this\.value,'\\d','\\d'\\);", "i");
	regex_s1.compile("this\.value", "i");

	selects = block.getElementsByTagName('SELECT');
	for (i=0;i<selects.length;i++) {
		ss = block.getElementsByTagName('SELECT')[i].parentNode.innerHTML.match(regex_s);
		if (ss != null) {
			ss = ss[0].replace(regex_s1,selects[i].value);
			eval(ss);
		}
	}

	inputs = block.getElementsByTagName('INPUT');
	for (i=0;i<inputs.length;i++) {
		if (inputs[i].checked) {
			ss = block.getElementsByTagName('INPUT')[i].parentNode.innerHTML.match(regex_s);
			if (ss != null) {
				ss = ss[0].replace(regex_s1,inputs[i].value);
				eval(ss);
			}
		}
	}
}

{/literal}
</script>