function poll_more() {
	var path="/poll/poll_list.asp";
	var option="left=100, top=100, width=700, height=600, directories=0, scrollbars=1, location=0, memubar=0, resizable=0, status=0";
	window.open(path, "more", option);
}

function poll_view(fname, seq, h) {
	var path=fname+"?mode=view&seq="+seq;
	var option="left=100, top=100, width=340, height="+h+", directories=0, scrollbars=0, location=0, memubar=0, resizable=0, status=0";
	window.open(path, "win", option);
}

function check_item_insert(f)
{
	if(f.item.value == "") {
		alert("Ãß°¡ÇÒ ¼³¹®Ç׸ñÀ» ÀÔ·ÂÇϼ¼¿ä.");
		f.item.focus();
		return false;
	}
	return true;
}

function check_insert_first(f) {
	if(f.subject.value == "") {
		alert("¼³¹®Á¶»ç ÁÖÁ¦¸¦ ÀÔ·ÂÇϼ¼¿ä.");
		f.subject.focus();
		return false;
	}
	if(f.item_cnt.value == "" || isNaN(f.item_cnt.value)) {
		alert("Ç׸ñ¼ö°¡ ºñ¾îÀְųª, ¼ýÀÚ ÀÌ¿ÜÀÇ ¹®ÀÚ°¡ ÀԷµǾîÀÖ½À´Ï´Ù.");
		f.item_cnt.focus();
		return false;
	}
	if(validate_date(f.start_day.value, "-")) {
		alert("ÅõÇ¥ ½ÃÀÛÀÏÀÌ À߸ø ÀԷµǾú½À´Ï´Ù. ¿¹)2000-01-01");
	    f.start_day.focus();
		return false;
	}
	if(validate_date(f.end_day.value, "-")) {
		alert("ÅõÇ¥ ¸¶°¨ÀÏÀÌ À߸ø ÀԷµǾú½À´Ï´Ù. ¿¹)2000-01-01");
	    f.end_day.focus();
		return false;
	}
	if(f.start_day.value > f.end_day.value) {
		alert("ÅõÇ¥ ¸¶°¨ÀÏÀÌ ½ÃÀÛÀÏ º¸´Ù ºü¸¨´Ï´Ù. ¸¶°¨ÀÏÀ» ´Ù½Ã ÀÔ·ÂÇϼ¼¿ä.");
		f.end_day.focus();
		return false;
	}
	return true;
}

function check_insert_second(f) {
	var i, isnotnull;
	for(i=4; i<(f.elements.length-4); i++) {
		if(f.elements[i].value != "") isnotnull="true";
	}

	if(isnotnull != "true") {
		alert("¼³¹®Ç׸ñÀº Çϳª ÀÌ»ó ÀԷµǾî¾ß ÇÕ´Ï´Ù.");
		f.elements[4].focus();
		return false;
	}
	else
		return true;
}

function check_poll_value(fname, f, h)
{
	var i;

	for(i=0; i<f.sel_item.length; i++) {
		if(f.sel_item[i].checked == true)
		break;
	}

	if(i == f.sel_item.length) {
		alert("ÅõÇ¥ÇÒ Ç׸ñÀ» ¼±ÅÃÇϼ¼¿ä.");
		return false;
	}
	else {
		window.open(fname+"?mode="+f.mode.value+"&seq="+f.seq.value+"&sel_item="+f.sel_item[i].value, "win", "width=340, height="+h+", directories=0, scrollbars=0, location=0, memubar=0, resizable=0, status=0");
	}
}

function validate_date(str, sp) {
	temp=str.split(sp);
	if(temp[0].length != 4 || temp[1].length != 2 || temp[2].length != 2) {
		return true;
	}
	else if(isNaN(parseInt(temp[0])) || isNaN(parseInt(temp[1])) || isNaN(parseInt(temp[2]))) {
		return true;
	}
	else if(str.length !=10 || temp[0] < 1900 || temp[1] < 1 || temp[1] > 12 || temp[2]< 1 || temp[2] > 31) {
		return true;
	}
	else
		return false;
}