function selectTab(id,aantal)
		{
			for(i = 1; i <= aantal; i++)
			{
				if (i == id)
				{
					document.getElementById('tab'+i).style.backgroundPosition = "0px -31px";
					document.getElementById('tab'+i).style.color = "#ffffff";
					document.getElementById('tabContent'+i).style.display = "";
										
				}
				else
				{
					document.getElementById('tab'+i).style.backgroundPosition = "0px 0px";
					document.getElementById('tab'+i).style.color = "#4e4d4d";
					document.getElementById('tabContent'+i).style.display = "none";
									
				}
			}
		}