// Useage: marquee(滚动对象id, 可见范围宽度, 可见范围高度, 滚动速度, 停留时间, 方向); 方向有left和up两种
function HCmarquee(id,mw,mh,mr,ms,pause,dr){
	
	var obj=document.getElementById(id);
	obj.ss=false; //stop tag
	obj.mr=mr; //marquee rows
	obj.mw=mw; //marquee width
	obj.mh=mh; //marquee height
	obj.ms=ms; //marquee speed
	obj.pause=pause; //pause time
	obj.pt=0; //pre top
	obj.st=0; //stop time
	obj.dr=dr; //direction

	with(obj){
		style.width=mw+"px";
		style.height=mh+"px";
		noWrap=false;
		onmouseover=stopm;
		onmouseout=startm;
		scrollTop=0+"px";
		scrollLeft=0+"px";
	}
	
	if(obj.mr!=1){
		switch(obj.dr){
			case("up"):
				obj.tt=mh*mr;
				obj.ct=mh; //current top
				obj.innerHTML+=obj.innerHTML;
				setInterval(scrollUp,obj.ms); break;
			default://("left"):
				obj.tt=mw*mr;
				obj.ct=mw;
				obj.innerHTML='<div style="width:'+(obj.tt*2)+'px;"><div style="float:left;">'+obj.innerHTML+'</div><div style="float:right;">'+obj.innerHTML+'</div></div>';
				document.write('<style type="text/css">#'+id+' table{width:'+mw*mr+'px;} #'+id+' td{width:'+mw+'px;}</style>');
				setInterval(scrollLeft,obj.ms); break;
		}
	}

	function scrollUp(){
		if(obj.ss==true) return;
		obj.ct+=1;
		if(obj.ct==obj.mh+1){
			obj.st+=1; obj.ct-=1;
			if(obj.st==obj.pause){obj.ct=0; obj.st=0;}
		}else {
			obj.pt=(++obj.scrollTop);
			if(obj.pt==obj.tt){obj.scrollTop=0;}
		}
	}

	function scrollLeft(){
		if(obj.ss==true) return;
		obj.ct+=1;
		if(obj.ct==obj.mw+1){
			obj.st+=1; obj.ct-=1;
			if(obj.st==obj.pause){obj.ct=0; obj.st=0;}
		}else {
			obj.pt=(++obj.scrollLeft);
			if(obj.pt==obj.tt){obj.scrollLeft=0;}
		}
	}

	function stopm(){obj.ss=true;}
	function startm(){obj.ss=false;}
}




function DrawImage(ImgD,wid,hei)
{ 
	var flag=false; 
	var image=new Image(); 
	image.src=ImgD.src; 
	if(image.width>0 && image.height>0)
	{ 
		flag=true; 
		if(image.width/image.height>= wid/hei)
		{ 
			if(image.width>wid)
			{
				ImgD.width=wid; 
				ImgD.height=(image.height*wid)/image.width; 
			}else{ 
				ImgD.width=image.width;
				ImgD.height=image.height; 
			} 
			ImgD.alt=""; 
		} 
		else
		{ 
			if(image.height>hei)
			{
				ImgD.height=hei; 
				ImgD.width=(image.width*hei)/image.height; 
			}
			else
			{ 
    		ImgD.width=image.width;
    		ImgD.height=image.height; 
   			} 
   			ImgD.alt=""; 
  		} 
	}
}



function DrawImage2(ImgD,wid,hei)
{ 
	var flag=false; 
	var image=new Image(); 
	image.src=ImgD.src; 
	if(image.width>0 && image.height>0)
	{ 
		flag=true; 
		if(image.width/image.height>= wid/hei)
		{ 
			if(image.width>wid)
			{
				//ImgD.width=wid; 
				ImgD.width=(image.width*hei)/image.height; 
				//ImgD.height=(image.height*wid)/image.width; 
			}else{ 
				ImgD.width=image.width;
				//ImgD.height=image.height; 
			} 
			ImgD.alt=""; 
		} 
		else
		{ 
			if(image.height>hei)
			{
				//ImgD.height=hei; 
				ImgD.width=(image.width*hei)/image.height; 
			}
			else
			{ 
    			ImgD.width=image.width;
    			//ImgD.height=image.height; 
   			} 
   			ImgD.alt=""; 
  		} 
	}
}




function ReplaceForm(Str)
{
	Str=Str.replace(/(\*)/g,"＊");
	Str=Str.replace(/(\%)/g,"％");
	Str=Str.replace(/(\?)/g,"？");
	Str=Str.replace(/(\-)/g,"—");
	Str=Str.replace(/(\;)/g,"；");
	Str=Str.replace(/(\<)/g,"＜");
	Str=Str.replace(/(\>)/g,"＞");
	Str=Str.replace(/(\=)/g,"＝");
	return Str;
}