function $(objId){
	return document.getElementById(objId);
}
function marqueeLeft(show_pic,marquePic1,marquePic2){
	var speed=30 ;
	$(marquePic2).innerHTML=$(marquePic1).innerHTML ; 
	function Marquee(){ 
		if($(marquePic2).offsetWidth-$(show_pic).scrollLeft<=0) 
			$(show_pic).scrollLeft-=$(marquePic1).offsetWidth ;
		else{ 
			$(show_pic).scrollLeft++ ;
		} 
	} ;
	var MyMar=setInterval(Marquee,speed) ;
	$(show_pic).onmouseover=function() {clearInterval(MyMar);} ;
	$(show_pic).onmouseout=function() {MyMar=setInterval(Marquee,speed);} ;
}
function marqueeTop(show_pic,marquePic1,marquePic2){
	var speed=30 ;
	$(marquePic2).innerHTML=$(marquePic1).innerHTML ; 
	function Marquee(){ 
		if($(marquePic2).offsetTop-$(show_pic).scrollTop<=0) 
			$(show_pic).scrollTop-=$(marquePic1).offsetHeight;
		else{ 
			$(show_pic).scrollTop++ ;
		} 
	} ;
	var MyMar=setInterval(Marquee,speed) ;
	$(show_pic).onmouseover=function() {clearInterval(MyMar);} ;
	$(show_pic).onmouseout=function() {MyMar=setInterval(Marquee,speed);} ;
}