/* ==================================
Funktion zum Ändern der Schriftgröße
================================== */

var fontvalue = 1;
var linevale = 1.4;

function resizeFont (direction) {
	if (document.getElementById('inhalt')) {
		var divinhalt = new divobj('inhalt');
		
		switch (direction) {
			case -1:
				fontvalue = fontvalue - 0.2; break;
				linevale = linevale - 0.2; break;
			case 1:
				fontvalue = fontvalue + 0.1; break;		
				linevale = linevale + 0.1; break;
		}
				
		divinhalt.setstyle('fontSize', (fontvalue+'em'));
		divinhalt.setstyle('lineHeight', (linevale+'em'));
	}
}