// JavaScript Document
/********************************************************************
主题:滚动字幕脚本
********************************************************************/

try {
	var scrollElem	= document.getElementById(oElem);
	var scrollText	= document.getElementById(oText);
	var stopscroll	= false;
	scrollElem.onmouseover = new Function('stopscroll = true');
	scrollElem.onmouseout  = new Function('stopscroll = false');
	var preTop     = 0; 
	var currentTop = 0; 
	var stoptime   = 0;
	scrollElem.appendChild(scrollText.cloneNode(true));
	init_srolltext();
}

catch(e) {}

function init_srolltext() {
	scrollElem.scrollTop = 0;
	setInterval('scrollUp()', 15);
}

function scrollUp(){
	if(stopscroll) return;
	currentTop += 1;
	if(currentTop == 19) {
		stoptime += 1;
		currentTop -= 1;
		if(stoptime == 180) {
			currentTop = 0;
			stoptime = 0;
		}
	}
	else {
		preTop = scrollElem.scrollTop;
		scrollElem.scrollTop += 1;
		if(preTop == scrollElem.scrollTop) {
			scrollElem.scrollTop = 0;
			scrollElem.scrollTop += 1;
		}
	}
}



function _InitScroll(_S1,_S2,_W,_H,_T)
{
    return "var marqueesHeight"+_S1+"="+_H+";var stopscroll"+_S1+"=false;var scrollElem"+_S1+"=document.getElementById('"+_S1+"');with(scrollElem"+_S1+"){style.width="+_W+";style.height=marqueesHeight"+_S1+";style.overflow='hidden';noWrap=true;}scrollElem"+_S1+".onmouseover=new Function('stopscroll"+_S1+"=true');scrollElem"+_S1+".onmouseout=new Function('stopscroll"+_S1+"=false');var preTop"+_S1+"=0; var currentTop"+_S1+"=0; var stoptime"+_S1+"=0;var leftElem"+_S2+"=document.getElementById('"+_S2+"');scrollElem"+_S1+".appendChild(leftElem"+_S2+".cloneNode(true));setTimeout('init_srolltext"+_S1+"()',"+_T+");function init_srolltext"+_S1+"(){scrollElem"+_S1+".scrollTop=0;setInterval('scrollUp"+_S1+"()',10);}function scrollUp"+_S1+"(){if(stopscroll"+_S1+"){return;}currentTop"+_S1+"+=1;if(currentTop"+_S1+"==(marqueesHeight"+_S1+"+1)) {stoptime"+_S1+"+=1;currentTop"+_S1+"-=1;if(stoptime"+_S1+"=="+_T/20+") {currentTop"+_S1+"=0;stoptime"+_S1+"=0;}}else{preTop"+_S1+"=scrollElem"+_S1+".scrollTop;scrollElem"+_S1+".scrollTop +=1;if(preTop"+_S1+"==scrollElem"+_S1+".scrollTop){scrollElem"+_S1+".scrollTop=0;scrollElem"+_S1+".scrollTop +=1;}}}";
}