var scrtxt="= 欢迎莅临= 珠海市电力行业协会www.zhdlxh.org";
var lentxt=scrtxt.length;
var width=256;
var count=0;
var left=0;
var abc=0;

function scroll() {

var txt="";
var scroller="";

if (abc>0) {
if ((abc%2)==1) {
window.status="";
} else {
window.status=scrtxt;
}
abc++;
if (abc==8) abc=0;
} else {
if (count>0) {
scroller=scrtxt.substring(0,count);
txt=scrtxt.substring(count,count+2);
} else {
txt=scrtxt.substring(0,2);
}
if ((width-left)>2) {
left+=(width-left)/2;
} else { left++; }
for (var i=0; i<(width-left); i++) {
scroller=scroller+" ";
}
if (left>=width) {
count+=2;
left=count*2;
}

scroller=scroller+txt;
window.status=scroller;
}
setTimeout("scroll()",70);
}