function setSubmenu(elementToUse){
	if(elementToUse=='forsiden'){
//		document.getElementById('').style.display='';
		document.getElementById('mainDivContentSubmenu1').style.display='none';
		document.getElementById('mainDivContentSubmenu2').style.display='none';
		document.getElementById('mainDivContentSubmenu3').style.display='none';
		}
	else if(elementToUse=='nyheder'){
		document.getElementById('mainDivContentSubmenu1').style.display='none';
		document.getElementById('mainDivContentSubmenu2').style.display='none';
		document.getElementById('mainDivContentSubmenu3').style.display='none';
		}
	else if(elementToUse=='aktuelle_tilbud'){
		document.getElementById('mainDivContentSubmenu1').style.display='none';
		document.getElementById('mainDivContentSubmenu2').style.display='none';
		document.getElementById('mainDivContentSubmenu3').style.display='none';
		}
	else if(elementToUse=='vi_tilbyder'){
		document.getElementById('mainDivContentSubmenu1').style.display='';
		document.getElementById('mainDivContentSubmenu2').style.display='none';
		document.getElementById('mainDivContentSubmenu3').style.display='none';
		}
	else if(elementToUse=='selvbetjening'){
		document.getElementById('mainDivContentSubmenu1').style.display='none';
		document.getElementById('mainDivContentSubmenu2').style.display='';
		document.getElementById('mainDivContentSubmenu3').style.display='none';
		}
	else if(elementToUse=='om_ts_tech'){
		document.getElementById('mainDivContentSubmenu1').style.display='none';
		document.getElementById('mainDivContentSubmenu2').style.display='none';
		document.getElementById('mainDivContentSubmenu3').style.display='';
		}
	else if(elementToUse=='kontakt'){
		document.getElementById('mainDivContentSubmenu1').style.display='none';
		document.getElementById('mainDivContentSubmenu2').style.display='none';
		document.getElementById('mainDivContentSubmenu3').style.display='none';
		}
}

function unsetSubmenu(){
	document.getElementById('mainDivContentSubmenu1').style.display='none';
	document.getElementById('mainDivContentSubmenu2').style.display='none';
	document.getElementById('mainDivContentSubmenu3').style.display='none';
	document.getElementById('mainDivContentSubmenu4').style.display='none';
}