<script type="text/javascript">
var alert_title='Input Restriction';
function limitTextarea(textarea,maxLines,maxChar){
var lines=textarea.value.replace(/\r/g,'').split('\n'),
lines_removed,
char_removed,
i;
if(maxLines&&lines.length>maxLines){
//alert('You can not enter\nmore than '+maxLines+' lines');
lines=lines.slice(0,maxLines);
lines_removed=1
}
if(maxChar){
i=lines.length;
while(i-->0)if(lines[i].length>maxChar){
lines[i]=lines[i].slice(0,maxChar);
char_removed=1
}
//if(char_removed)alert('You can not enter more\nthan '+maxChar+' characters per line')
}
if(char_removed||lines_removed)textarea.value=lines.join('\n')
}
function watchTextarea(){
document.getElementById('resticted').onkeyup()
}
function set_ie_alert(){
window.alert=function(msg_str){
vb_alert(msg_str)
}
}
</script>
and the above function can be called as
</script>
</head>
<body>
<textarea onkeyup="limitTextarea(this,6,40)" style="width:400px;height:200px" wrap="off" id="resticted" onfocus="focus_watch=setInterval('watchTextarea()',250)" onblur="clearInterval(focus_watch)">some text</textarea>
</body>
</html>
</head>
<body>
<textarea onkeyup="limitTextarea(this,6,40)" style="width:400px;height:200px" wrap="off" id="resticted" onfocus="focus_watch=setInterval('watchTextarea()',250)" onblur="clearInterval(focus_watch)">some text</textarea>
</body>
</html>
