var startPosition=0;
function mainTextScroller() {

        var mainMessage=myMainMessage;
        var tempLoc=(scrollingRegion*3/mainMessage.length)+1;
        if (tempLoc<1) {tempLoc=1}
        var counter;
        for(counter=0;counter<=tempLoc;counter++)
           mainMessage+=mainMessage;
document.newsletterform.mainTextScroller.value=mainMessage.substring(startPosition,startPosition+scrollingRegion);
        startPosition++;
        if(startPosition>scrollingRegion) startPosition=0;
        setTimeout("mainTextScroller()",speed); }