var Browser = {
		  Version: function() {
		    var version = 999; // we assume a sane browser
		    if (navigator.appVersion.indexOf("MSIE") != -1)
		      // bah, IE again, lets downgrade version number
		      version = parseFloat(navigator.appVersion.split("MSIE")[1]);
		    return version;
		  }
		}

	
		$(document).ready(function(){
		
			var tabIndex = 1 ;
			var clicked = false ;
		
			$('.casestudy-tabs div.casestudy-bg').hide();
			$('.casestudy-tabs div.casestudy-bg:first').show();
			
			// here we setting the first link to active
			
			if (Browser.Version() < 7) {
				$('.casestudy-tabs ul li a:eq('+tabIndex+')').removeClass('selected');
			} else {
				$('.casestudy-tabs ul li a').removeClass('selected'); 
				$('.casestudy-tabs ul li a:eq(0)').addClass('selected');
			}
				
			$('.casestudy-tabs ul li a').click(function(){ //When any link is clicked
			
				if (Browser.Version() < 7) {
					$('.casestudy-tabs ul li a').removeClass('selected'); // Remove active class from all links
				} else {
					$('.casestudy-tabs ul li a').removeClass('selected'); // Remove active class from all links
					$(this).addClass('selected'); //Set clicked link class to active
				}
			
				var currentTab = $(this).attr('href'); // Set variable currentTab to value of href attribute of clicked link
				$('.casestudy-tabs div.casestudy-bg').hide(); // Hide all divs
				
				$(currentTab).fadeIn(300);
				
				/*
				if (Browser.Version() < 7) {
						$(currentTab).show(); 
				} else {
					$(currentTab).fadeIn(150); 
				}
				*/
				
				clicked = true ;
			
				return false;
			
			});
			
			// auto scroll through the tabs
			
			$.timer(20000, function (timer) {
			
				if (!clicked) {
				
					if (tabIndex==3) { tabIndex = 0 ; }
					
					if (Browser.Version() < 7) {
						$('.casestudy-tabs ul li a:eq('+tabIndex+')').removeClass('selected'); // Remove active class from all links
					} else {
						$('.casestudy-tabs ul li a').removeClass('selected'); // Remove active class from all links
						$('.casestudy-tabs ul li a:eq('+tabIndex+')').addClass('selected'); //Set clicked link class to active
					}
					
					$('.casestudy-tabs div.casestudy-bg').hide();
					
					if (Browser.Version() < 7) {
						$('.casestudy-tabs div.casestudy-bg:eq('+tabIndex+')').show(); 
					} else {
						$('.casestudy-tabs div.casestudy-bg:eq('+tabIndex+')').fadeIn(150);
					}
					 
					tabIndex++ ;
				
				}
				
			});
			
		});