function basket(a){
	var cnt = 0;
	for( var i=0; i<document.buy.elements.length; i++) {
		var ele = document.buy.elements[i];
		if((ele.name == 'pkey') || (ele.name == 'lec_code')){
			if(ele.checked) {
				cnt = cnt + 1;
			}
		}
	}

	if (cnt == 0){
		var cnt = 0;
		for( var i=0; i<document.buy.elements.length; i++) {
			var ele = document.buy.elements[i];
			if((ele.name == 'pkey') || (ele.name == 'g_code') || (ele.name == 'lec_code')){
				if(ele.checked) {
					cnt = cnt + 1;
				}
			}
		}
		if (cnt == 0){
			alert('°­ÀÇ ¶Ç´Â ±³À縦 ½ÅûÇÏ¿© ÁֽʽÿÀ.');
			return;
		}
		document.buy.action="/member/my_cart.asp"
		document.buy.submit();
	}
	else{
		if(a==""){
			alert('·Î±×ÀÎÀ» ÇØ ÁֽʽÿÀ.');
			document.login_form2.submit();
		}
		else{
			var cnt = 0;
			for( var i=0; i<document.buy.elements.length; i++) {
				var ele = document.buy.elements[i];
				if((ele.name == 'pkey') || (ele.name == 'g_code') || (ele.name == 'lec_code')){
					if(ele.checked) {
						cnt = cnt + 1;
					}
				}
			}
			if (cnt == 0){
				alert('°­ÀÇ ¶Ç´Â ±³À縦 ½ÅûÇÏ¿© ÁֽʽÿÀ.');
				return;
			}
			document.buy.action="/member/my_cart.asp"
			document.buy.submit();
		}
	}
}
	
function buy(a){
	var cnt = 0;
	for( var i=0; i<document.buy.elements.length; i++) {
		var ele = document.buy.elements[i];
		if((ele.name == 'pkey') || (ele.name == 'lec_code')){
			if(ele.checked) {
				cnt = cnt + 1;
			}
		}
	}
	if (cnt == 0){
		var cnt = 0;
		for( var i=0; i<document.buy.elements.length; i++) {
			var ele = document.buy.elements[i];
			if((ele.name == 'pkey') || (ele.name == 'g_code') || (ele.name == 'lec_code')){
				if(ele.checked) {
					cnt = cnt + 1;
				}
			}
		}
		if (cnt == 0){
			alert('°­ÀÇ ¶Ç´Â ±³À縦 ½ÅûÇÏ¿© ÁֽʽÿÀ.');
			return;
		}
		document.buy.action="/member/order.asp"
		document.buy.submit();
	}
	else{
		if(a==""){
			alert('·Î±×ÀÎÀ» ÇØ ÁֽʽÿÀ.');
			document.login_form2.submit();
		}
		else{
			var cnt = 0;
			for( var i=0; i<document.buy.elements.length; i++) {
				var ele = document.buy.elements[i];
				if((ele.name == 'pkey') || (ele.name == 'g_code') || (ele.name == 'lec_code')){
					if(ele.checked) {
						cnt = cnt + 1;
					}
				}
			}
			if (cnt == 0){
				alert('°­ÀÇ ¶Ç´Â ±³À縦 ½ÅûÇÏ¿© ÁֽʽÿÀ.');
				return;
			}
			document.buy.action="/member/order.asp"
			document.buy.submit();
		}
	}
}

function change1(j_code,lec_publisher,lec_category_name){
	lec_name=document.buy.lec_name.value
	location.href="lecture_apply.asp?j_code=" + j_code + "&lec_name=" + lec_name + "&lec_publisher=" + lec_publisher + "&lec_category_name=" + lec_category_name;
}

function openwin(a,b,c){
	window.open(a,b,c)
}