function addDateRow() {
	hideClass('dateButton');
	document.getElementById('dates').innerHTML += '<p><input type="text" name="startdate[]" class="date"/></p><p class="clear"></p>';
	changeClass('date', 'tmp');
	dateComponent.init();
	changeClass('tmp', 'date');
	dateComponent.init();
	
}

function changeClass(theClass, newClass) {
var allPageTags = new Array(); 
var allPageTags=document.getElementsByTagName("*");
	for (i=0; i<allPageTags.length; i++) {
		if (allPageTags[i].className == theClass) {
			allPageTags[i].className = newClass;
		}
	}
}

function hideClass(theClass) {
	var allPageTags = new Array(); 
	var allPageTags=document.getElementsByTagName("*");
		for (i=0; i<allPageTags.length; i++) {
			if (allPageTags[i].className == theClass) {
				allPageTags[i].style.display = 'none';
			}
		}
}