function textup() {
if (document.getElementById) {
var currsize=document.getElementById('tsize').value;
var b=parseInt(currsize)+1
if (b<5) {
document.getElementById('bodysel').style.fontSize="1."+b+"em"
document.getElementById('tsize').value=b;
}
return false;
} else {
return true;
}}

function textdown() {
if (document.getElementById) {
var currsize=document.getElementById('tsize').value;
var b=parseInt(currsize)-1
if (b>=0) {
document.getElementById('bodysel').style.fontSize="1."+b+"em"
document.getElementById('tsize').value=b;
}
return false;
} else {
return true;
}}

function menu(id,total) {
if (document.getElementById) {
for (n=1;n<=total;n++) {
document.getElementById('sec'+n).style.display="none";
}
document.getElementById('sec'+id).style.display="block";
return false;
} else {
return true;
}}

function chgvideo(i,c) {
if (document.getElementById) {
document.getElementById('video').src="video_file.php?i="+i+"&c="+c;
return false;
} else {
return true;
}}

function playvideo(i) {
if (document.getElementById) {
var c=document.getElementById('interview'+i).value;
document.getElementById('video').src="video_file.php?i="+i+"&c="+c;
return false;
} else {
return true;
}}

function dnldvideo(i) {
if (document.getElementById) {
var c=document.getElementById('interview'+i).value;
window.open("download.php?i="+i+"&c="+c,"dnld","status=no,scrollbars=no,toolbar=no,resizable=yes,width=400,height=180");
return false;
} else {
return true;
}}

function about(i) {
if (document.getElementById) {

return false;
} else {
return true;
}}