coursecardstr = "<option value='\u65e0'>\u65e0</option><option value='\u77e5\u97f3\u5361'>\u77e5\u97f3\u5361</option><option value='\u4e07\u91cc\u884c\u5361'>\u4e07\u91cc\u884c\u5361</option><option value='\u660e\u73e0\u5361'>\u660e\u73e0\u5361</option><option value='\u767d\u9e6d\u5361'>\u767d\u9e6d\u5361</option><option value='\u91d1\u9e4f\u5361'>\u91d1\u9e4f\u5361</option><option value='\u8700\u5361'>\u8700\u5361</option><option value='\u5e38\u65c5\u5ba2\u5361'>\u5e38\u65c5\u5ba2\u5361</option><option value='\u5f69\u8679\u5361'>\u5f69\u8679\u5361</option>";
function addaccount() {
	var addTravelor = document.getElementById("account");
	var travelorContainer = document.getElementById("accountcontainer");
	var str = "<div  name='account'></div>";
	var fir = document.createElement(str);
	fir.innerHTML = addTravelor.innerHTML;
	travelorContainer.appendChild(fir);
	var smstels = document.getElementsByName("coursecardtype");
	if (smstels != null) {
		smstels[smstels.length - 1].value = "";
	}
	var usernames = document.getElementsByName("coursecardnum");
	if (usernames != null) {
		usernames[usernames.length - 1].value = "";
	}
}
function remove(method) {
	var travelorContainer = document.getElementById("accountcontainer");
	var length = travelorContainer.childNodes.length;
	if (method.indexOf("insert") > -1) {
		if (length == 2) {
			document.getElementById("divcoursecardbuttons").style.display = "none";
		}
	}
	if (length > 1) {
		travelorContainer.removeChild(travelorContainer.childNodes[length - 1]);
	} else {
		if (method.indexOf("update") > -1) {  //update operator
			if (length == 1) {
				document.getElementById("account").style.display = "none";
				document.getElementById("divcoursecardbuttons").style.display = "none";
				addcoursecardcount = 0;
			}
		}
	}
}
var addcoursecardcount = 0;
function showselectcoursecard(method) {
	if (method.indexOf("insert") > -1) {  //insert operator
		addcoursecardcount++;
	}
	document.getElementById("divcoursecards").style.display = "inline";
	document.getElementById("account").style.display = "inline";
	document.getElementById("divcoursecardbuttons").style.display = "inline";
	if (addcoursecardcount > 0) {
		addaccount();
	}
	addcoursecardcount++;
}
function deletecoursecard(index) {
	var ulcoursecard = document.getElementById("ulcoursecard" + index);
	ulcoursecard.parentNode.removeChild(ulcoursecard);
}