$(document).ready(function() {
  init();
  setTimeout(initOverLabels, 50);
 });



/*
 *  function init
 */
 function init(){
	$('.pop500-500').click(function(){
			//alert('500x500 popup window');
			 window.open ($(this).attr("href"),"500x500","resizeable=yes,scrollbars=yes,width=500,height=500");
			 return false;
		});
	
	$('.pop780-600').click(function(){
			 window.open ($(this).attr("href"),"780x600","resizeable=yes,scrollbars=yes,width=780,height=600");
			 return false;
		});
	$('.pop900-650').click(function(){
			 window.open ($(this).attr("href"),"900x650","resizeable=yes,scrollbars=yes,width=900,height=650");
			 return false;
		});	
	
	$('.bycategory').click(function(){
			$('#catsub').slideToggle();
			return false
	});
	
	$('.byseries').click(function(){
			$('#seriessub').slideToggle();
			return false			  
    });
	
 }


/*
 *  Handle the search box labels
 * 
 */

function initOverLabels () {
  if (!document.getElementById) return;      

  var labels, id, field;

  // Set focus and blur handlers to hide and show 
  // labels with 'overlabel' class names.
  labels = document.getElementsByTagName('label');
  for (var i = 0; i < labels.length; i++) {

    if (labels[i].className == 'overlabel') {

      // Skip labels that do not have a named association
      // with another field.
      id = labels[i].htmlFor || labels[i].getAttribute('for');
      if (!id || !(field = document.getElementById(id))) {
        continue;
      } 

      // Change the applied class to hover the label 
      // over the form field.
      labels[i].className = 'overlabel-apply';

      // Hide any fields having an initial value.
      if (field.value !== '') {
        hideLabel(field.getAttribute('id'), true);
      }

      // Set handlers to show and hide labels.
      field.onfocus = function () {
        hideLabel(this.getAttribute('id'), true);
      };
      field.onblur = function () {
        if (this.value === '') {
          hideLabel(this.getAttribute('id'), false);
        }
      };

      // Handle clicks to label elements (for Safari).
      labels[i].onclick = function () {
        var id, field;
        id = this.getAttribute('for');
        if (id && (field = document.getElementById(id))) {
          field.focus();
        }
      };

    }
  }
};

function hideLabel (field_id, hide) {
  var field_for;
  var labels = document.getElementsByTagName('label');
  for (var i = 0; i < labels.length; i++) {
    field_for = labels[i].htmlFor || labels[i].getAttribute('for');
    if (field_for == field_id) {
      labels[i].style.textIndent = (hide) ? '-1000px' : '0px';
      return true;
    }
  }
}