function selectAll(href) {
	var i = 0;
	
	if (href.checked == true) {
		for (i = 1; i <= 3; i++) {
			document.regionsList["projectType" + i].checked = true;
		}
	}
	else { 
		for (i = 1; i <= 3; i++) {
			document.regionsList["projectType" + i].checked = false;
		}
	}
}

function changeSelectAll(href) {
	if (href.checked == true) {
		var i = 0;
		var selected = 0;
		
		for (i = 1; i <= 3; i++) {
			if (document.regionsList["projectType" + i].checked == true) {
				selected++;
			}
		}
		
		if (selected == 3) {
			document.regionsList.projectType0.checked = true;
		}
	}
	else { 
		document.regionsList.projectType0.checked = false;
	}
}

function checkProjTypes(msg) {
	var selected = 0;
	var i = 0;
		
	for (i = 1; i <= 3; i++) {
		if (document.regionsList["projectType" + i].checked == true) {
			selected++;
		}
	}
	
	if (selected == 0) {
		alert (msg);
		return false;
	}
	else
		return true;
		
	
}