//¸ÞÀοÀÇÂâ
function open_mainwin(openwin_width, openwin_height)
{
	if(getCookie('main_window') != 'done')
	{
		window.open('2006_popup.html', 'BDZ_POPUP', 'width='+openwin_width+',height='+(openwin_height+30));
	}
}
//ÄíÅ°Á¸ÀçÈ®ÀÎ
function 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 ''; 
}
//ÄíÅ°ÀúÀå
function setCookie(name, value, expiredays) 
{ 
    var todayDate = new Date(); 
    todayDate.setDate( todayDate.getDate() + expiredays ); 
    document.cookie = name + "=" + escape( value ) + "; path=/; expires=" + todayDate.toGMTString() + ";"
}
//â´Ý±â
function closeWin() 
{ 
	if(document.openwinForm.checkWin.checked)
	{
        setCookie('main_window', 'done' , 1);	//ÄíÅ°ÀúÀå
    }   
    self.close(); 
}