// JavaScript Document

	function select_item(pvx_id){

		var ctr = 1;

		while(ctr <= 2){
			document.getElementById('item_0'+ctr).checked = false;
			ctr+=1;
		}

		document.getElementById(pvx_id).checked = true;
		document.getElementById('amount_or').value = document.getElementById(pvx_id).value;
		document.getElementById('c').value = pvx_id;

		compute_all();

	}

	function compute_all(){
		var am_or = parseFloat(document.getElementById('amount_or').value);
		var se_it = document.getElementById('c').value;
		
		if(document.getElementById('shipping0').checked == true){

			document.getElementById('amount_total').value = number_format(am_or + 9.95,2,'.','');
			document.getElementById('shipping_type').value = "REGISTERED MAIL";
			document.getElementById('amount_shipping').value = 9.95;

		}
		if(document.getElementById('shipping1').checked == true){

			document.getElementById('amount_total').value = number_format(am_or + 29.95,2,'.','');
			document.getElementById('shipping_type').value = "EXPRESS MAIL";
			document.getElementById('amount_shipping').value = 29.95;

		}

	}

	function number_format(a, b, c, d) {
		
		a = Math.round(a * Math.pow(10, b)) / Math.pow(10, b);
		e = a + '';
		f = e.split('.');
		
		if (!f[0]) {
			f[0] = '0';
		}
		
		if (!f[1]) {
			f[1] = '';
		}
		
		if (f[1].length < b){
			g = f[1];
				for (i=f[1].length + 1; i <= b; i++){
					g += '0';
				}
			f[1] = g;
		}
		
		if(d != '' && f[0].length > 3){
			h = f[0];
			f[0] = '';

			for(j = 3; j < h.length; j+=3){
				i = h.slice(h.length - j, h.length - j + 3);
				f[0] = d + i +  f[0] + '';
			}

			j = h.substr(0, (h.length % 3 == 0) ? 3 : (h.length % 3));
			f[0] = j + f[0];
		}

		c = (b <= 0) ? '' : c;
		return f[0] + c + f[1];

	}

	function privacy(pageName){
		
		window.open(pageName, 'LastLonger', 'toolbar=no,location=no,directories=no,status=yes,menub ar=no,scrollbars=1,resizable=yes,copyhistory=yes,width=450,height=500');
		
	}