// ÄíÅ°¸¦ °¡Á®¿Â´Ù.
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° ±Á´Â´Ù
function setCookie( name, value, expiredays ){ 
	var todayDate = new Date(); 
	todayDate.setDate( todayDate.getDate() + expiredays ); 
	document.cookie = name + "=" + escape( value ) + "; path=/; expires=" + todayDate.toGMTString() + ";" 
}

//Æ˾÷ ¶ç¿î´Ù
function pop_check(pophtml,popname,width,height,top,left,scrollbars) {		
	if ( getCookie( popname ) != "done" ) {
		window.open( pophtml, popname, 'scrollbars='+scrollbars+',width='+width+',height='+height+',left='+left+',top='+top); 
	}
}
//´º½º
function scrolling(objId,sec1,sec2,speed,height){ 
  this.objId=objId; 
  this.sec1=sec1; 
  this.sec2=sec2; 
  this.speed=speed; 
  this.height=height; 
  this.h=0; 
  this.div=document.getElementById(this.objId); 
  this.htmltxt=this.div.innerHTML; 
  this.div.innerHTML=this.htmltxt+this.htmltxt; 
  this.div.isover=false; 
  this.div.onmouseover=function(){this.isover=true;} 
  this.div.onmouseout=function(){this.isover=false;} 
  var self=this; 
  this.div.scrollTop=0; 
  window.setTimeout(function(){self.play()},this.sec1); 
} 
scrolling.prototype={ 
  play:function(){ 
    var self=this; 
    if(!this.div.isover){ 
      this.div.scrollTop+=this.speed; 
      if(this.div.scrollTop>this.div.scrollHeight/2){ 
        this.div.scrollTop=0; 
      }else{ 
        this.h+=this.speed; 
        if(this.h>=this.height){ 
          if(this.h>this.height|| this.div.scrollTop%this.height !=0){ 
            this.div.scrollTop-=this.h%this.height; 
          } 
          this.h=0; 
          window.setTimeout(function(){self.play()},this.sec1); 
          return; 
        } 
      } 
    } 
    window.setTimeout(function(){self.play()},this.sec2); 
  }, 
  prev:function(){ 
    if(this.div.scrollTop == 0) 
    this.div.scrollTop = this.div.scrollHeight/2; 
    this.div.scrollTop -= this.height; 
  }, 
  next:function(){ 
    if(this.div.scrollTop ==  this.div.scrollHeight/2) 
    this.div.scrollTop =0; 
    this.div.scrollTop += this.height; 
  } 
};