var tabNavigation = 
{
	div_series:['features', 'options', 'sizes'],
	div_detail:['features', 'options', 'sizes', 'downloads', 'literature'],
	div_applications:['features', 'options', 'operators', 'techInfo', 'gallery'],
	
	showHideTabContent: function(divId, setName)
	{
		var thisDivSetArray;
		var loopDiv;
		var thisDivId = divId+'-content';
		var thisTabId = divId+'-tab';
		var loopLink;
		var thisLinkId = divId+'-link';
		var previouslyActiveDiv;
		var newActiveDiv = thisDivId;
		
		if(setName != '')
		{
			thisDivSetArray = eval('this.div_' + setName);
		}
		else if(setName == 'applications') {
			thisDivSetArray = eval('this.div_applications');
		}
		else {
			thisTabSetArray = this.div_series;
		}
		
		for(i = 0; i < thisDivSetArray.length; i++)
		{
			loopDiv = thisDivSetArray[i]+'-content';
			loopLink = thisDivSetArray[i]+'-link';
			
			// set left margin = 0 for divs that were placed to left
			$('#'+newActiveDiv).css('margin-left',0);
			
			if(loopLink!=thisLinkId)
			{
				// remove on class
				if($('#'+loopLink).hasClass('tabOn'))
				{
					previouslyActiveDiv = loopDiv;
				}
				// remove on class
				$('#'+loopLink).toggleClass('tabOn', false);
				// add off class
				$('#'+loopLink).toggleClass('tabOff', true);
				//show div
				$('#'+previouslyActiveDiv).hide();
			}
			else 
			{
				// remove off class
				$('#'+thisLinkId).toggleClass('tabOff', false);
				// add on class
				$('#'+thisLinkId).toggleClass('tabOn', true);
				
				//show div
				$('#'+newActiveDiv).show();
			}
		}
	
	}//END function showHideTabContent
}