/** Meier Global Javascripts **/

function clean(field)
{
	if (field.defaultValue == field.value){
		field.value = "";
	}
}

/** Function to show and hide a DIV **/
function showHide(id) {
	var state = document.getElementById(id).style.display;
	var div = document.getElementById(id);
	if (state == 'block') {
		div.style.display = 'none';
	} else {
		div.style.display = 'block';
    }
}

/** Show and hide a row **/
function displayRow(id) {
	var row = document.getElementById(id);
	if (row.className=="show") row.className="hide";
	else row.className="show";
}

/** Tab Set Definition - Start **/
var tabLinks = new Array();
var contentDivs = new Array();

function init() {

  // Grab the tab links and content divs from the page
  var tabListItems = document.getElementById('tabs').childNodes;
  for ( var i = 0; i < tabListItems.length; i++ ) {
    if ( tabListItems[i].nodeName == "LI" ) {
      var tabLink = getFirstChildWithTagName( tabListItems[i], 'A' );
      var id = getHash( tabLink.getAttribute('href') );
	  if ((tabLink.className != 'doc') && (tabLink.className != 'email') && (tabLink.className != 'basket')){
		  tabLinks[id] = tabLink;
		  contentDivs[id] = document.getElementById( id );
	  }
    }
  }

  // Assign onclick events to the tab links, and
  // highlight the first tab
  var i = 0;

  for ( var id in tabLinks ) {
    tabLinks[id].onclick = showTab;
    tabLinks[id].onfocus = function() { this.blur() };
    if ( i == 0 ) tabLinks[id].className = 'selected';
    i++;
  }

  // Hide all content divs except the first
  var i = 0;

  for ( var id in contentDivs ) {
	if ( i != 0 ) contentDivs[id].className = 'tabContent hide';
    i++;
  }
}

function showTab() {
  var selectedId = getHash( this.getAttribute('href') );

  // Highlight the selected tab, and dim all others.
  // Also show the selected content div, and hide all others.
  for ( var id in contentDivs ) {
    if ( id == selectedId ) {
      tabLinks[id].className = 'selected';
      contentDivs[id].className = 'tabContent';
    } else {
      tabLinks[id].className = '';
      contentDivs[id].className = 'tabContent hide';
    }
  }

  // Stop the browser following the link
  return false;
}

function getFirstChildWithTagName( element, tagName ) {
  for ( var i = 0; i < element.childNodes.length; i++ ) {
    if ( element.childNodes[i].nodeName == tagName ) return element.childNodes[i];
  }
}

function getHash( url ) {
  var hashPos = url.lastIndexOf ( '#' );
  return url.substring( hashPos + 1 );
}
/** Tab Set Definition - End **/