// JavaScript Document

function updateSum() {
  var ips = document.getElementsByTagName("input");
  var sum = 0;
  var prods = 0;
  for (var i=0; i<ips.length; i++) {
    if (ips[i].value > 0) {
      sum += ips[i].value * Number(document.getElementById(
        ips[i].name+"Price").innerHTML);
      prods += Number(ips[i].value);
    }
  }
  document.getElementById("sumProd").value = prods;
  document.getElementById("sum").value = sum;
  document.getElementById("sum").innerHTML = sum;
}
window.onload = function() { updateSum(); }


$(document).ready(function(){
						   		   
	//When you click on a link with class of poplight and the href starts with a # 
	$('a.poplight[href^=#]').click(function() {
		var popID = $(this).attr('rel'); //Get Popup Name
		var popURL = $(this).attr('href'); //Get Popup href to define size
				
		//Pull Query & Variables from href URL
		var query= popURL.split('?');
		var dim= query[1].split('&');
		var popWidth = dim[0].split('=')[1]; //Gets the first query string value

		//Fade in the Popup and add close button
		$('#' + popID).fadeIn().css({ 'width': Number( popWidth ) }).prepend('<a href="#" class="close"><img src="./theme/images/close_pop.png" class="btn_close" title="Close Window" alt="Close" /></a>');
		
		//Define margin for center alignment (vertical + horizontal) - we add 80 to the height/width to accomodate for the padding + border width defined in the css
		var popMargTop = ($('#' + popID).height() + 80) / 2;
		var popMargLeft = ($('#' + popID).width() + 80) / 2;
		
		//Apply Margin to Popup
		$('#' + popID).css({ 
			'margin-top' : -popMargTop,
			'margin-left' : -popMargLeft
		});
		
		//Fade in Background
		$('body').append('<div id="fade"></div>'); //Add the fade layer to bottom of the body tag.
		$('#fade').css({'filter' : 'alpha(opacity=80)'}).fadeIn(); //Fade in the fade layer 
		
		return false;
	});
	
	
	//Close Popups and Fade Layer
	$('a.close, #fade').live('click', function() { //When clicking on the close or fade layer...
	  	$('#fade , .popup_block').fadeOut(function() {
			$('#fade, a.close').remove();  
	}); //fade them both out
		
		return false;
	});

	
});