var autoHighlightNum = 1;
var autoHighlightHdl;
var autoHighlightPause = 0;

function autoHighlight_stop(){
        autoHighlightPause = 1;
        //if(autoHighlightHdl){
         //       window.clearTimeout(autoHighlightHdl);
        //}
}

function autoHighlight(){

        if(autoHighlightPause==0){// return;

        downlight=4;
        highlight=1;
        switch(autoHighlightNum) {
                case "1":
                        highlight=1;
                        downlight=6;
                        break;
                case 2:
                        highlight=5;
                        downlight=1;
                        break;
                case 3:
                        highlight=3;
                        downlight=5;
                        break;
                case 4:
                        highlight=6;
                        downlight=3;
                        break;
                case 5:
                        highlight=2;
                        downlight=6;
                        break;
                case 6:
                        highlight=4;
                        downlight=2;
                        break;
        }
        doHighlight(highlight);
        doDownlight(downlight);
        autoHighlightNum++;
        if(autoHighlightNum==7){autoHighlightNum=1;}
	}
        autoHighlightHdl=window.setTimeout("autoHighlight()",2000-1750*autoHighlightPause);
}

function doHighlight(num){
        document.getElementById('picture'+num).style.backgroundPosition='right';
}
function doDownlight(num){
        document.getElementById('picture'+num).style.backgroundPosition='left';
}

function doXHighlight(num){
        autoHighlight_stop();
        for(i=1;i<=6;i++){
                doDownlight(i);
        }
        doHighlight(num);
}

function doXDownlight(num){
        doDownlight(num);
}