// set default value for alle possible selections
function setDefaultValues() {
	var modelBox       = false;
	var applicationBox = false;
	var typeBox        = false;

	for (i=0;i<document.getElementById('modelBox').getElementsByTagName('input').length;i++) {
		if (document.getElementById('modelBox').getElementsByTagName('input')[i].checked == true &&
			document.getElementById('modelBox').getElementsByTagName('input')[i].disabled == false) {
			modelBox = true;
		}
	}
	if (!modelBox) {
		document.getElementById('modelBox').getElementsByTagName('input')[0].checked = true;
	}

	for (i=0;i<document.getElementById('applicationBox').getElementsByTagName('input').length;i++) {
		if (document.getElementById('applicationBox').getElementsByTagName('input')[i].checked == true &&
			document.getElementById('applicationBox').getElementsByTagName('input')[i].disabled == false) {
			applicationBox = true;
		}
	}
	if (!applicationBox) {
		document.getElementById('applicationBox').getElementsByTagName('input')[0].checked = true;
	}

	for (i=0;i<document.getElementById('typeBox').getElementsByTagName('input').length;i++) {
		if (document.getElementById('typeBox').getElementsByTagName('input')[i].checked == true &&
			document.getElementById('typeBox').getElementsByTagName('input')[i].disabled == false) {
			typeBox = true;
		}
	}
	if (!typeBox) {
		document.getElementById('typeBox').getElementsByTagName('input')[0].checked = true;
	}
	
	updateDependFields();
	handleTagClouds();
}