function naviMO(idelem) {
	if(document.getElementById(idelem)) {
		document.getElementById('navul').style.padding = '1px 5px 0 0px';
		document.getElementById('navul').style.width = '270px';
		if(idelem != 'loesungen')
			document.getElementById('loesungen').style.margin = '13px 0 0 50px';
		if(idelem != 'karriere')
			document.getElementById('karriere').style.margin = '13px 0 0 50px';
		if(idelem != 'referenzen')
			document.getElementById('referenzen').style.margin = '13px 0 0 50px';
		if(idelem != 'unternehmen')
			document.getElementById('unternehmen').style.margin = '13px 0 0 50px';
		if(idelem != 'netzwerk')
			document.getElementById('netzwerk').style.margin = '13px 0 0 50px';
		document.getElementById('navul').style.width = '270px';
	}
}


function resNav() {
	if(document.getElementById('navul')) {
		document.getElementById('navul').style.padding = '1px 5px 0 50px';
		document.getElementById('navul').style.width = '220px';
		document.getElementById('unternehmen').style.margin = '13px 0 0 0';
		document.getElementById('loesungen').style.margin = '13px 0 0 0';
		document.getElementById('netzwerk').style.margin = '13px 0 0 0';
		document.getElementById('referenzen').style.margin = '13px 0 0 0';
		document.getElementById('karriere').style.margin = '13px 0 0 0';
	}
}


//Specify affected tags. Add or remove from list:
var tgs = new Array( 'p', 'h3');

//Specify spectrum of different font sizes:
var szs = new Array( 'x-small','small','medium','large' );
var startSz = 2;

function ts( trgt,inc ) {
	if (!document.getElementById) return
	var d = document,cEl = null,sz = startSz,i,j,cTags;
	
	sz += inc;
	if ( sz < 0 ) sz = 0;
	if ( sz > 6 ) sz = 6;
	startSz = sz;
		
	if ( !( cEl = d.getElementById( trgt ) ) ) cEl = d.getElementsByTagName( trgt )[ 0 ];

	cEl.style.fontSize = szs[ sz ];

	for ( i = 0 ; i < tgs.length ; i++ ) {
		cTags = cEl.getElementsByTagName( tgs[ i ] );
		for ( j = 0 ; j < cTags.length ; j++ ) cTags[ j ].style.fontSize = szs[ sz ];
	}
}