function playert(welke) {
			document.getElementById('p1').style.display='none';
			document.getElementById('p2').style.display='none';
			document.getElementById(welke).style.display='block';
		}


		function nieuws(welke) {
			if (document.getElementById('t1')){document.getElementById('t1').style.display='none';}
			if (document.getElementById('t2')){document.getElementById('t2').style.display='none';}
			if (document.getElementById('t3')){document.getElementById('t3').style.display='none';}
			if (document.getElementById('t4')){document.getElementById('t4').style.display='none';}
			if (document.getElementById('t5')){document.getElementById('t5').style.display='none';}
			if (document.getElementById('t6')){document.getElementById('t6').style.display='none';}
			if (document.getElementById('t7')){document.getElementById('t7').style.display='none';}
			if (document.getElementById('t8')){document.getElementById('t8').style.display='none';}
			if (document.getElementById('t9')){document.getElementById('t9').style.display='none';}
			if (document.getElementById('t10')){document.getElementById('t10').style.display='none';}
			if (document.getElementById('s1')){document.getElementById('s1').style.display='none';}
			if (document.getElementById('s4')){document.getElementById('s4').style.display='none';}


			if (welke!=0)
			{
				document.getElementById('t'+welke).style.display='block';
				document.getElementById('s1').style.display='block';
				initScrollLayersNieuws('t'+welke,'lyr'+welke);
			}



		}



		function menu(welke) {

			document.getElementById('m1').style.display='none';
			document.getElementById('m2').style.display='none';
			document.getElementById('m3').style.display='none';
			if (document.getElementById('m4'))
			{document.getElementById('m4').style.display='none';
			}
			document.getElementById(welke).style.display='block';
			document.getElementById('s4').style.display='none';

			if (document.getElementById('m1m')){document.getElementById('m1m').style.textDecoration='none';}
			if (document.getElementById('m2m')){document.getElementById('m2m').style.textDecoration='none';}
			if (document.getElementById('m3m')){document.getElementById('m3m').style.textDecoration='none';}
			if (document.getElementById('m4m')){document.getElementById('m4m').style.textDecoration='none';}
			if (document.getElementById(welke+'m')){document.getElementById(welke+'m').style.textDecoration='underline';}

			if (document.getElementById('projectmenu'))
			{document.getElementById('projectmenu').style.display='none';
			}

		}

		function submenu(welke, welke2) {

			if (document.getElementById('projectmenu'))
			{document.getElementById('projectmenu').style.display='none';
			}



			if (document.getElementById('m2a')){document.getElementById('m2a').style.display='none';}
			if (document.getElementById('m2b')){document.getElementById('m2b').style.display='none';}
			if (document.getElementById('m2c')){document.getElementById('m2c').style.display='none';}
			if (document.getElementById('m2d')){document.getElementById('m2d').style.display='none';}
			if (document.getElementById('m2e')){document.getElementById('m2e').style.display='none';}
			if (document.getElementById('m2f')){document.getElementById('m2f').style.display='none';}
			if (document.getElementById('m2g')){document.getElementById('m2g').style.display='none';}
			if (document.getElementById('m2h')){document.getElementById('m2h').style.display='none';}

			if (document.getElementById('ma')){document.getElementById('ma').style.textDecoration='none';}
			if (document.getElementById('mb')){document.getElementById('mb').style.textDecoration='none';}
			if (document.getElementById('mc')){document.getElementById('mc').style.textDecoration='none';}
			if (document.getElementById('md')){document.getElementById('md').style.textDecoration='none';}
			if (document.getElementById('me')){document.getElementById('me').style.textDecoration='none';}
			if (document.getElementById('mf')){document.getElementById('mf').style.textDecoration='none';}
			if (document.getElementById('mg')){document.getElementById('mg').style.textDecoration='none';}
			if (document.getElementById('mh')){document.getElementById('mh').style.textDecoration='none';}

			if (document.getElementById('m'+welke.charAt(2))){document.getElementById('m'+welke.charAt(2)).style.textDecoration='underline';}

			document.getElementById(welke).style.display='block';
			hoeveel = document.getElementById(welke).getElementsByTagName('LI');
			document.getElementById('s4').style.display='none';
			if (hoeveel.length>7)
			{
				document.getElementById('s4').style.display='block';
			}
			//initScrollLayers('m2',welke2);

			if (document.getElementById('projectmenu'))
			{document.getElementById('projectmenu').style.display='none';
			}
		}

		function submenub(welke,welke2) {

			if (document.getElementById('m3a')){document.getElementById('m3a').style.display='none';}
			if (document.getElementById('m3b')){document.getElementById('m3b').style.display='none';}
			if (document.getElementById('m3c')){document.getElementById('m3c').style.display='none';}

			if (document.getElementById('mea')){document.getElementById('mea').style.textDecoration='none';}
			if (document.getElementById('meb')){document.getElementById('meb').style.textDecoration='none';}
			if (document.getElementById('mec')){document.getElementById('mec').style.textDecoration='none';}

			if (document.getElementById('me'+welke.charAt(2))){document.getElementById('me'+welke.charAt(2)).style.textDecoration='underline';}

			document.getElementById(welke).style.display='block';
			hoeveel = document.getElementById(welke).getElementsByTagName('LI');
			document.getElementById('s4').style.display='none';
			if (hoeveel.length>7)
			{
				document.getElementById('s4').style.display='block';
			}
			//initScrollLayers('m2',welke2);
		}


		function projecttxtaan(){
			document.getElementById('projecttxt').style.display='block';
			//document.getElementById('projectContxt').style.display='block';
			document.getElementById('projectmenu2').style.display='block';
			document.getElementById('projectmenu').style.display='none';
			document.getElementById('_Ath_Slide').style.display='none';
			//document.getElementById('s1').style.display='block';var wndo2 = new dw_scrollObj('projecttxt','lyr13', null);
			/*
			if (document.getElementById('lyr13').offsetHeight > document.getElementById('projecttxt').offsetHeight)
			{

			wndo2.setUpScrollbar("dragBar1", "track1", "v", 0, 0);
			dw_showLayers("scrollbar4","scrollbar1");
			}
			*/
		}

		function projecttxtuit(){
			document.getElementById('projecttxt').style.display='none';
			//document.getElementById('projectContxt').style.display='none';
			document.getElementById('projectmenu2').style.display='none';
			document.getElementById('projectmenu').style.display='block';
			document.getElementById('_Ath_Slide').style.display='block';
			document.getElementById('s1').style.display='none';
		}


		function foetsie() {
			if (document.getElementById('news'))
			{document.getElementById('news').style.display='none';
			}
			document.getElementById('s1').style.display='none';

		}

		function initScrollLayersNieuws(welke, welke2) {
			var wndo2 = new dw_scrollObj(welke, welke2, null);
			var wndo1 = new dw_scrollObj(welke, welke2, null);
			//wndo2.setUpScrollbar("dragBar1", "track1", "v", 0, 0);
			//wndo1.setUpScrollbar("dragBar4", "track4", "v", 0, 0);
			//dw_showLayers("scrollbar4","scrollbar1");
		}

		function initScrollLayers(welke, welke2) {
			var wndo1 = new dw_scrollObj(welke, welke2, null);
			wndo1.setUpScrollbar("dragBar4", "track4", "v", 0, 0);

			if (document.getElementById('lyr13') && document.getElementById('lyr13').offsetHeight > document.getElementById('projecttxt').offsetHeight+80)
			{
					var wndo2 = new dw_scrollObj('projecttxt','lyr13', null);
					wndo2.setUpScrollbar("dragBar1", "track1", "v", 0, 0);
					if (welke=='projecttxt')
					{
						//dw_showLayers("scrollbar1");
					} else {
						//dw_showLayers("scrollbar4","scrollbar1");
					}
			} else {
				if (welke!='projecttxt'){
					//dw_showLayers("scrollbar4");
				}
			}


		}

		function dw_showLayers() {
		  if ( document.getElementById ) {
			var lyr, i;
			for (i=0; arguments[i]; i++) {
			  lyr = document.getElementById( arguments[i] );
			  lyr.style.visibility = "visible";
			}
		  }
		}