//ŸÀÓ ¸®Ç÷¹½¬
var time_cnt = 0;
function Time_Reload(delay){
	Time_Check();
	window.setTimeout("Time_Reload("+delay+");",delay);	
}
function Time_Check(){
	time_cnt++;
	if (time_cnt == 60)
	{
		time_cnt = 0;
		document.location.reload();		
	}
}

function cutStr(str,limit)
{
	var tmpStr = str;
	var byte_count = 0;
	var len = str.length;
	var dot = "";

	for(i=0; i<len; i++){
		byte_count += chr_byte(str.charAt(i)); 
		if(byte_count == limit-1){
			if(chr_byte(str.charAt(i+1)) == 2){
				tmpStr = str.substring(0,i+1);
				dot = "...";
			} else {
				if(i+2 != len) dot = "..."; 
				tmpStr = str.substring(0,i+2);
			}
			break;
		} else if(byte_count == limit){
			if(i+1 != len) dot = "...";
			tmpStr = str.substring(0,i+1);
			break;
		}
	}
	//document.writeln(tmpStr+dot);
	return tmpStr+dot;
}


function chr_byte(chr)
{
	if(escape(chr).length > 4){
		return 2;
	}else{
		return 1;
	}
}

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; 
			//alert(this.div.scrollTop);
          } 
          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; 
  } 
};