var sRoot;
var helpPopup=null; 

function setFileRoot(s){
    sRoot = s;
}
function CleanUp(e){
    if (helpPopup != null && helpPopup.closed  == false ){
        helpPopup.close();
    }
}

function OnClickHelp(){
	if ((helpPopup == null) || (helpPopup.closed == true) || (fBtnStatus["OptionButtons"][1] == 0)){
	    helpPopup = window.open(sHelpSource, "_blank", 
	    "height=600px, width=300px, left=700, top=150, toolbar=no, resizable=yes, scrollbars=yes, directories=no, menubar=no");
    } else {
        helpPopup.close();
        helpPopup=null; 
    }
}