var basisSize = 100;

window.onload = function() {

									var wrapper = document.getElementById('footer_left');
									var p = document.createElement('p');
									var strong = document.createElement('strong');
									var font_small = document.createElement('span');
									var font_big = document.createElement('span');
									var a_down = document.createElement('a');
									var a_up = document.createElement('a');

									font_small.setAttribute("class", 'font_small');
									font_small.setAttribute("className", 'font_small');

									font_big.setAttribute("class", 'font_big');
									font_big.setAttribute("className", 'font_big');

									a_down.setAttribute('href', '#');
									a_down.onclick = function() {
										var body = document.getElementsByTagName("body")[0];
										basisSize -= 20;
										if (basisSize < 100) {
											basisSize = 100;
										}
										body.style.fontSize = basisSize + ".01%";
										return false;
									}

									a_up.setAttribute('href', '#');
									a_up.onclick = function() {
										var body = document.getElementsByTagName("body")[0];
										basisSize += 20;
										if (basisSize > 140) {
											basisSize = 140;
										}
										body.style.fontSize = basisSize + ".01%";
										return false;
									}

									font_small.appendChild(document.createTextNode('a'));
									font_big.appendChild(document.createTextNode('a'));

									a_down.appendChild(font_small);
									a_down.appendChild(document.createTextNode(' <'));
									a_up.appendChild(document.createTextNode('> '));
									a_up.appendChild(font_big);

									strong.appendChild(a_down);
									strong.appendChild(a_up);

									p.appendChild(document.createTextNode('Schriftgrad '));
									p.appendChild(strong);

									wrapper.appendChild(p);
}