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This is my php page it's have javascript problem so plz tell me what should i do.
<?php
session_start();
if($permission=="yes"){?>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>Gallery</title>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
<script language="JavaScript" type="text/JavaScript">
<!--
function MM_preloadImages() { //v3.0
var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}
//-->
</script>
<style type="text/css">
<!--
.heading1 {
font-family: Arial, Helvetica, sans-serif;
font-size: 12px;
color: 5A800C;
font-weight: bold;
}
-->
</style>
<script language="JavaScript" type="text/JavaScript">
<!--
function MM_reloadPage(init) { //reloads the window if Nav4 resized
if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);
function MM_swapImgRestore() { //v3.0
var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}
function MM_findObj(n, d) { //v4.01
var p,i,x; if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
if(!x && d.getElementById) x=d.getElementById(n); return x;
}
function MM_swapImage() { //v3.0
var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}
//-->
</script>
<link href="style.css" rel="stylesheet" type="text/css">
</head>
<body text="BLACK" onLoad="MM_preloadImages('images/update_b1_over.gif','images/traffic_b1_over.gif','images/traffic_b2_over.gif','images/traffic_b3_over.gif','images/traffic_b4_over.gif','images/traffic_b5_over.gif')">
<table width="85%" border="0" align="center" cellpadding="0" cellspacing="0" bordercolor="5482B0">
<tr>
<td><table width="100%" border="0" align="center" cellpadding="0" cellspacing="0">
<tr>
<td><div align="center"><img src="images/logo.gif" width="100" height="88">
</div></td>
<td width="78%"><div align="left"><img src="images/Welcome_to.gif"></div></td>
</tr>
<tr>
<td><div align="center"></div>
<div align="center">
<p><img src="images/traffic_top2.gif" width="133" height="50"><br>
<a href="history.htm" onMouseOut="MM_swapImgRestore()" onMouseOver="MM_swapImage('Image11','','images/traffic_b1_over.gif',1)"><img src="images/traffic_b1.gif" name="Image11" width="133" height="30" border="0"></a><br>
<a href="dotzoo.htm" onMouseOut="MM_swapImgRestore()" onMouseOver="MM_swapImage('Image6','','images/traffic_b2_over.gif',1)"><img src="images/traffic_b2.gif" name="Image6" width="133" height="30" border="0"></a><br>
<a href="gallery.php" onMouseOut="MM_swapImgRestore()" onMouseOver="MM_swapImage('Image7','','images/traffic_b3_over.gif',1)"><img src="images/traffic_b3.gif" name="Image7" width="133" height="30" border="0"></a><br>
<a href="signup.htm" onMouseOut="MM_swapImgRestore()" onMouseOver="MM_swapImage('Image8','','images/traffic_b4_over.gif',1)"><img src="images/traffic_b4.gif" name="Image8" width="133" height="30" border="0"></a><br>
<a href="help.htm" onMouseOut="MM_swapImgRestore()" onMouseOver="MM_swapImage('Image9','','images/traffic_b5_over.gif',1)"><img src="images/traffic_b5.gif" name="Image9" width="133" height="30" border="0"></a><br>
<img src="images/traffic_bottom.gif" width="133" height="110"><br><br>
<br>
</p>
</div></td>
<td align="left" valign="top"> <div align="right">
<p></p>
</div>
<blockquote>
<div align="left">
<table width="80%" border="0" cellspacing="0" cellpadding="0">
<tr>
<td class="text"><div align="justify">
<script src="try/xaramenu.js"></script><script webstyle3 src="try/tranzport.js"></script>
</div></td>
</tr>
</table>
</div>
</blockquote>
</td>
</tr>
<tr>
<td height="8" colspan="2" class="heading1"><div align="center"> <img src="images/bar.gif" width="92%" height="1">
</div></td>
</tr>
</table></td>
</tr>
</table>
<div align="center"><span class="heading1">This site is developed and maintained
by</span><br><img src="images/dotzoo.gif" width="128" height="56"></div>
</body></html>
<?php } else
echo "<HTML> <HEAD> <META http-equiv=\"refresh\" content=\"0; url=home.htm\"></HEAD></HTML> ";
?>
<?php
session_start();
if($permission=="yes"){?>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>Gallery</title>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
<script language="JavaScript" type="text/JavaScript">
<!--
function MM_preloadImages() { //v3.0
var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}
//-->
</script>
<style type="text/css">
<!--
.heading1 {
font-family: Arial, Helvetica, sans-serif;
font-size: 12px;
color: 5A800C;
font-weight: bold;
}
-->
</style>
<script language="JavaScript" type="text/JavaScript">
<!--
function MM_reloadPage(init) { //reloads the window if Nav4 resized
if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);
function MM_swapImgRestore() { //v3.0
var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}
function MM_findObj(n, d) { //v4.01
var p,i,x; if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
if(!x && d.getElementById) x=d.getElementById(n); return x;
}
function MM_swapImage() { //v3.0
var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}
//-->
</script>
<link href="style.css" rel="stylesheet" type="text/css">
</head>
<body text="BLACK" onLoad="MM_preloadImages('images/update_b1_over.gif','images/traffic_b1_over.gif','images/traffic_b2_over.gif','images/traffic_b3_over.gif','images/traffic_b4_over.gif','images/traffic_b5_over.gif')">
<table width="85%" border="0" align="center" cellpadding="0" cellspacing="0" bordercolor="5482B0">
<tr>
<td><table width="100%" border="0" align="center" cellpadding="0" cellspacing="0">
<tr>
<td><div align="center"><img src="images/logo.gif" width="100" height="88">
</div></td>
<td width="78%"><div align="left"><img src="images/Welcome_to.gif"></div></td>
</tr>
<tr>
<td><div align="center"></div>
<div align="center">
<p><img src="images/traffic_top2.gif" width="133" height="50"><br>
<a href="history.htm" onMouseOut="MM_swapImgRestore()" onMouseOver="MM_swapImage('Image11','','images/traffic_b1_over.gif',1)"><img src="images/traffic_b1.gif" name="Image11" width="133" height="30" border="0"></a><br>
<a href="dotzoo.htm" onMouseOut="MM_swapImgRestore()" onMouseOver="MM_swapImage('Image6','','images/traffic_b2_over.gif',1)"><img src="images/traffic_b2.gif" name="Image6" width="133" height="30" border="0"></a><br>
<a href="gallery.php" onMouseOut="MM_swapImgRestore()" onMouseOver="MM_swapImage('Image7','','images/traffic_b3_over.gif',1)"><img src="images/traffic_b3.gif" name="Image7" width="133" height="30" border="0"></a><br>
<a href="signup.htm" onMouseOut="MM_swapImgRestore()" onMouseOver="MM_swapImage('Image8','','images/traffic_b4_over.gif',1)"><img src="images/traffic_b4.gif" name="Image8" width="133" height="30" border="0"></a><br>
<a href="help.htm" onMouseOut="MM_swapImgRestore()" onMouseOver="MM_swapImage('Image9','','images/traffic_b5_over.gif',1)"><img src="images/traffic_b5.gif" name="Image9" width="133" height="30" border="0"></a><br>
<img src="images/traffic_bottom.gif" width="133" height="110"><br><br>
<br>
</p>
</div></td>
<td align="left" valign="top"> <div align="right">
<p></p>
</div>
<blockquote>
<div align="left">
<table width="80%" border="0" cellspacing="0" cellpadding="0">
<tr>
<td class="text"><div align="justify">
<script src="try/xaramenu.js"></script><script webstyle3 src="try/tranzport.js"></script>
</div></td>
</tr>
</table>
</div>
</blockquote>
</td>
</tr>
<tr>
<td height="8" colspan="2" class="heading1"><div align="center"> <img src="images/bar.gif" width="92%" height="1">
</div></td>
</tr>
</table></td>
</tr>
</table>
<div align="center"><span class="heading1">This site is developed and maintained
by</span><br><img src="images/dotzoo.gif" width="128" height="56"></div>
</body></html>
<?php } else
echo "<HTML> <HEAD> <META http-equiv=\"refresh\" content=\"0; url=home.htm\"></HEAD></HTML> ";
?>
The way to debug javascript is to make a copy of the full script, then remove everything but a few lines or functions. Test to see if it works. If not, remove more. Once you have a page that loads without any errors, add more code back in. Add a little at a time and test after each addition. When you get an error again, remove some code....back and forth until you find the exact piece that is producing the error. Liberally use javascript alert() to output information to help you know the value of variables and what is going on.
"Baby steps"
"Baby steps"
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