roll.js

可更新网上的一些新闻

var rollspeed=30
var myInter;
function MarqueeV(){
	if(oRollV2.offsetTop-oRollV.scrollTop<=0) {
		oRollV.scrollTop-=oRollV1.offsetHeight;
	}else{
		oRollV.scrollTop++;
	}
}
function StartRollV() {
	if (typeof(oRollV) == "undefined") {
		return;
	}
	if (parseInt(oRollV.style.height)>=oRollV2.offsetTop) {
		oRollV.style.height = oRollV2.offsetTop;
		return;
	}
	oRollV2.innerHTML=oRollV1.innerHTML;
	myInter=setInterval(MarqueeV,rollspeed);
	oRollV.onmouseover=function() {clearInterval(myInter)};
	oRollV.onmouseout=function() {myInter=setInterval(MarqueeV,rollspeed)};
}
function MarqueeH(){
	if(oRollH2.offsetLeft-oRollH.scrollLeft<=0) {
		oRollH.scrollLeft-=oRollH1.offsetWidth;
	}else{
		oRollH.scrollLeft++;
	}
}
function StartRollH() {
	if (typeof(oRollH) == "undefined") {
		return;
	}
	if (parseInt(oRollH.style.width)>=oRollH2.offsetLeft) {
		oRollH.style.width = oRollH2.offsetLeft;
		return;
	}
	oRollH2.innerHTML=oRollH1.innerHTML;
	myInter=setInterval(MarqueeH,rollspeed);
	oRollH.onmouseover=function() {clearInterval(myInter)};
	oRollH.onmouseout=function() {myInter=setInterval(MarqueeH,rollspeed)};
}