$(document).ready(function(){  
    $(".dwh").hover(function() {  
         $(this).attr("src","/images/platform1hover.png").attr('title', 'Meer info over Data Warehousing');  
             }, function() {  
         $(this).attr("src","/images/platform1normal.png");  
     });
	$(".dc").hover(function() {  
         $(this).attr("src","/images/platform2hover.png").attr('title', 'Meer info over Data Conversie');  
             }, function() {  
         $(this).attr("src","/images/platform2normal.png");
     });
	$(".dqa").hover(function() {  
         $(this).attr("src","/images/platform3hover.png").attr('title', 'Meer info over Data Quality Analysis');  
             }, function() {  
         $(this).attr("src","/images/platform3normal.png");  
     });
	$(".tdg").hover(function() {  
         $(this).attr("src","/images/platform4hover.png").attr('title', 'Meer info over Test Data Generatie');
             }, function() {  
         $(this).attr("src","/images/platform4normal.png");  
     });	 
 });