function mapColorize() {
	// left Column
	var mapLeftColorArray = new Array(
						'#FFFABD',
						'#FFF799',
						'#F79E8E',
						'#F26A52',
						'#73D3C4',
						'#28BCA5'
						);
	// right Column
	var mapRightColorArray = new Array(
						'#B5E6FA',
						'#8DD8F8',
						'#F8BDD7',
						'#F49AC1',
						'#FCCCA3',
						'#FAB171'
						);
	// column ID's
	var mapTableLeft = document.getElementById('mapTableLeft').getElementsByTagName('td');
	var mapTableRight = document.getElementById('mapTableRight').getElementsByTagName('td');
	// colorize left column
	for(i=0; i < mapTableLeft.length; i++) {
		mapTableLeft[i].style.backgroundColor = mapLeftColorArray[i];
	}
	// colorize right column
	for(i=0; i < mapTableRight.length; i++) {
		mapTableRight[i].style.backgroundColor = mapRightColorArray[i];
	}
}