function presentation() {
				if(document.getElementById('pres').style.display == 'none' || document.getElementById('pres').style.display == '') {
					document.getElementById('pres').style.display = 'block';
					//document.getElementById('presa').innerHTML = 'CLOSE THE PRESENTATION';
					//document.getElementById('presb').play = 'true';
					
					if(document.getElementById('objekt'))
					{
						document.getElementById('objekt').innerHTML="<OBJECT ID='dsrmotion' width='300' height='295' classid=CLSID:22d6f312-b0f6-11d0-94ab-0080c74c7e95 codebase='http://activex.microsoft.com/activex/controls/mplayer/en/nsmp2inf.cab#Version=6,4,5,715' type='application/x-oleobject'><param name='filename' value='img/outlookmovie-presentation.wmv' /><param name='ShowStatusBar' value='true' /><embed type='application/x-mplayer2' pluginspage='http://www.microsoft.com/Windows/MediaPlayer' center='1' name='filename' src='img/outlookmovie-presentation.wmv' id='mplayer' ShowControls='1' ShowPositionControls='1' ShowStatusBar='1' Showtracker='1' Showdisplay='0' SendMouseClickEvents='1' TransparentAtStart='0' SendPlayStateChangeEvents='1' displaysize='3' width='300' height='225'></embed></OBJECT>";
					}	
					
				} else {
					document.getElementById('pres').style.display = 'none';
					//document.getElementById('presa').innerHTML = 'LOOK AT THE PRESENTATION';
					//document.getElementById('presb').play = 'false';
					
					

				}
			}