function upwin(theURL, w, h){
wcls();
win_up = window.open(theURL,'','resizable=yes,scrollbars=yes,width='+w+',height='+h+',top='+((screen.height-h)/2)+',left='+((screen.width-w)/2))
}
function wcls(){
if(window.win_up) win_up.close()
}

function cnt(param) {
d = document;
if(param.length>0 && d.getElementById('cnt'+param) && d.getElementById(param)){
d.getElementById('cnt'+param).innerHTML=d.getElementById(param).value.length
}
}

function uphelp(theURL){
if(window.win_help) win_help.close();
var w=600,h=400;
win_help = window.open(theURL,'','resizable=yes,scrollbars=yes,width='+w+',height='+h+',top='+((screen.height-h)/2)+',left='+((screen.width-w)/2));
}

function openW(url, name, fut){
        open (url, name, fut);
}

function placeURL(url, elId){
        document.getElementById("elId").value+=" [<%=CL_SEE_DETAIL%> <a target=_blank href='"+url+"'><%=CL_COURSE_MATERIALS%></a>] ";
}

function showPicture(){
        try {
            if (document.getElementById("uploadpicture")) {
            document.images["imgPicture"].src="";
            document.images["imgPicture"].src=document.getElementById("uploadpicture").value;
            }
        }
        catch(e){};
}