function des_getCookie(name) {
	var nameOfCookie = name + "=";
	var x = 0;

	while(x <= document.cookie.length) {
		var y = (x+nameOfCookie.length);
		if (document.cookie.substring( x, y ) == nameOfCookie) {
			if ((endOfCookie=document.cookie.indexOf( ";", y )) == -1)
				endOfCookie = document.cookie.length;
			return unescape(document.cookie.substring(y, endOfCookie));
		}
		x = document.cookie.indexOf(" ", x) + 1;
		if (x == 0) break;
	}
	return "";
}

function des_gogogo() {
	var gourl;
	gourl = escape(location.href);
	top.location = "http://www.donga.com/members/login.php?gourl=" + gourl;
}

function des_getout() {
	gourl = escape(location.href);
	top.location = "http://www.donga.com/members/logout.php?gourl=" + gourl;
}

function des_get_log_head() {
	var fileHtml, dongausercookie, head_date;
	fileHtml = "";
	dongausercookie = des_getCookie("dongauserid");

	if (dongausercookie == "") {
		fileHtml = "<table border='0' cellpadding='0' cellspacing='0' background='http://image.donga.com/common/log_bg.gif'><tr><td><img src='http://image.donga.com/common/log_left.gif'></td> ";
		fileHtml += "<td><a href='javascript:des_gogogo();'><img src='http://image.donga.com/common/login.gif'  hspace='4' border='0'></a></td>  ";
		fileHtml += "<td><img src='http://image.donga.com/common/multi_line2.gif' width='7' height='11'></td>";
		fileHtml += "<td><a href='http://www.donga.com/members/mregist.php'><img src='http://image.donga.com/common/join.gif'  hspace='4' border='0'></a></td>  ";
		fileHtml += "<td><img src='http://image.donga.com/common/multi_line2.gif' width='7' height='11'></td>";
		fileHtml += "<td><a href='http://www.donga.com/members/midnpass.php'><img src='http://image.donga.com/common/id_pass.gif' width='86' height='13' hspace='4' border='0'></a></td>";
		fileHtml += "<td><img src='http://image.donga.com/common/log_right.gif'></td></tr></table>";
    } else {
		fileHtml = "<table border='0' cellpadding='0' cellspacing='0' background='http://image.donga.com/common/log_bg.gif'><tr><td><img src='http://image.donga.com/common/log_left.gif'></td> ";
		fileHtml += "<td class=gulim9p valign='top' ><img src='http://image.donga.com/common/log_icon.gif' width='12' height='17' vspace='1' align='absbottom'><strong>"+dongausercookie+"´Ô</strong> </td>";
		fileHtml += "<td><img src='http://image.donga.com/common/multi_line2.gif' width='7' height='11'></td>";
		fileHtml += "<td><a href='javascript:des_getout();'><img src='http://image.donga.com/common/log_out.gif'  hspace='4' border='0'></a></td>";
		fileHtml += "<td><img src='http://image.donga.com/common/multi_line2.gif' width='7' height='11'></td>";
		fileHtml += "<td><a href='http://www.donga.com/members/mupdate.php'><img src='http://image.donga.com/common/modify.gif'  hspace='4' border='0'></a></td>";
		fileHtml += "<td><img src='http://image.donga.com/common/log_right.gif'></td></tr></table>";
	}
	fileHtml += "<img src='http://image.donga.com/common/blank.gif' width='1' height='1'>";
	preViewQue2.innerHTML = fileHtml;
}

var search_url = new Array(
	"http://www.donga.com/search/", "http://www.donga.com/search/donga_search.php?tabname=1&query=",
	"http://www.donga.com/search/", "http://www.donga.com/search/donga_search.php?tabname=2&tabname_sub=1&query=",
	"http://www.donga.com/search/", "http://www.donga.com/search/donga_search.php?tabname=3&query=",
	"http://www.donga.com/search/", "http://www.donga.com/search/donga_search.php?tabname=4&query=",
	"http://www.donga.com/search/", "http://www.donga.com/search/donga_search.php?tabname=14&query=",
	"http://www.donga.com/search/", "http://www.donga.com/search/donga_search.php?tabname=5&query=",
	"http://www.donga.com/search/", "http://www.donga.com/search/donga_search.php?tabname=6&query=",
	"http://www.donga.com/search/", "http://www.donga.com/search/donga_search.php?tabname=7&query=",
	"http://www.donga.com/search/", "http://www.donga.com/search/donga_search.php?tabname=8&query=",
	"http://www.donga.com/search/", "http://www.donga.com/search/donga_search.php?tabname=9&query=",
	"http://www.donga.com/search/", "http://www.donga.com/search/donga_search.php?tabname=10&query=",
	"http://www.donga.com/search/", "http://www.donga.com/search/donga_search.php?tabname=11&query=",
	"http://www.donga.com/search/", "http://www.donga.com/search/donga_search.php?tabname=12&query=",
	"http://www.donga.com/search/", "http://www.donga.com/search/donga_search.php?tabname=13&query="
);

function search_go(sel, query) {
	var n, istr;
	n = sel.options.selectedIndex;
	istr = query.value;
	if(sel.value == "xx"){ return false; }

	if ((istr == "") || (istr == "°Ë»ö¾î ÀÔ·Â")) document.location = search_url[(n)*2];
	else if (istr.length < 1) {
		alert("°Ë»ö¾î¸¦ ÀÔ·ÂÇØ Áֽñ⠹ٶø´Ï´Ù!");
	}
	else window.open( search_url[n*2 + 1] + unescape(istr) );
	return false;
}

function view_tdfa(value) {
	if(value == "alpha1"){
		alpha1.style.display = '';
		alpha2.style.display = 'none';
		alpha3.style.display = 'none';
		alpha4.style.display = 'none';
        alpha5.style.display = 'none';
	    alpha6.style.display = 'none';
	} else if(value == "alpha2") {
		alpha1.style.display = 'none';
		alpha2.style.display = '';
		alpha3.style.display = 'none';
		alpha4.style.display = 'none';
		alpha5.style.display = 'none';
		alpha6.style.display = 'none';
	} else if(value == "alpha3") {
		alpha1.style.display = 'none';
		alpha2.style.display = 'none';
		alpha3.style.display = '';
		alpha4.style.display = 'none';
		alpha5.style.display = 'none';
		alpha6.style.display = 'none';
	} else if(value == "alpha4") {
		alpha1.style.display = 'none';
		alpha2.style.display = 'none';
		alpha3.style.display = 'none';
		alpha4.style.display = '';
		alpha5.style.display = 'none';
		alpha6.style.display = 'none';
	} else if(value == "alpha5") {
		alpha1.style.display = 'none';
		alpha2.style.display = 'none';
		alpha3.style.display = 'none';
		alpha4.style.display = 'none';
		alpha5.style.display = '';
		alpha6.style.display = 'none';
	} else if(value == "alpha6") {
		alpha1.style.display = 'none';
		alpha2.style.display = 'none';
		alpha3.style.display = 'none';
		alpha4.style.display = 'none';
		alpha5.style.display = 'none';
		alpha6.style.display = '';
	}
}

function view_tdb1(value) {
	if(value == "beta1"){
		beta1.style.display = '';
		beta2.style.display = 'none';
		beta3.style.display = 'none';
		beta4.style.display = 'none';
        beta5.style.display = 'none';
        beta6.style.display = 'none';
	} else if(value =="beta2") {
		beta1.style.display = 'none';
		beta2.style.display = '';
		beta3.style.display = 'none';
		beta4.style.display = 'none';
		beta5.style.display = 'none';
		beta6.style.display = 'none';
	} else if(value =="beta3") {
		beta1.style.display = 'none';
		beta2.style.display = 'none';
		beta3.style.display = '';
		beta4.style.display = 'none';
		beta5.style.display = 'none';
		beta6.style.display = 'none';
	} else if(value =="beta4") {
		beta1.style.display = 'none';
		beta2.style.display = 'none';
		beta3.style.display = 'none';
		beta4.style.display = '';
		beta5.style.display = 'none';
		beta6.style.display = 'none';
	} else if(value =="beta5") {
		beta1.style.display = 'none';
		beta2.style.display = 'none';
		beta3.style.display = 'none';
		beta4.style.display = 'none';
		beta5.style.display = '';
		beta6.style.display = 'none';
	} else if(value =="beta6") {
		beta1.style.display = 'none';
		beta2.style.display = 'none';
		beta3.style.display = 'none';
		beta4.style.display = 'none';
		beta5.style.display = 'none';
		beta6.style.display = '';
	}
}

function view_lay1(value) {
	if(value == "sigma1"){
		sigma1.style.display = '';
		sigma2.style.display = 'none';
		sigma3.style.display = 'none';
	} else  if(value =="sigma2") {
		sigma1.style.display = 'none';
		sigma2.style.display = '';
		sigma3.style.display = 'none';
	} else  if(value =="sigma3") {
		sigma1.style.display = 'none';
		sigma2.style.display = 'none';
		sigma3.style.display = '';
	}
}

function view_wzimg(value) {
	if(value == "delta1"){
		delta1.style.display = '';
		delta2.style.display = 'none';
	} else  if(value =="delta2") {
		delta1.style.display = 'none';
		delta2.style.display = '';
	}
}

function rand_check() {
	r_num = Math.round(Math.random()*1 + 1);
	table_id = "delta" + r_num;
	view_wzimg(table_id);
}