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Title : Conditional Check - a script that allows a user to submit a form only if the user check a checkbox.
Categories : HTML, Java Script, Form Processing, Beginner Guides
Chetankumar Akarte
Date : Nov 23rd 2006
Grade : 5 of 5 (graded 2 times)
Viewed : 8009
File : 4538.zip
Images : Image 1 , Image 2
Search : More code by Chetankumar Akarte
Action : Grade This Code Example
Tools : My Examples List

 
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<html>
<head>
<script>
var second2;
function fifteenth(sixteenth){
    second2=sixteenth;
    if (document.all||document.getElementById){
        for (seventeenth=0 ; seventeenth < second2.form.length;seventeenth++){
            var eighteenth=second2.form.elements[seventeenth];
            if(eighteenth.type.toLowerCase()=="submit") {
                eighteenth.disabled=!second2.checked;
            }
        }
    }
}

function first2(sixteenth){
    if(!document.all&&!document.getElementById){
        if (window.second2&&second2.checked) {
            return true;
        }else{
            alert("Please accept terms to submit form");
            return false;
        }
    }
}
</script>

<title></title>
</head>
<body>


<form name="agrform" onSubmit="return first2(this)">
<div align="center">
<p>&nbsp;</p>
<p>
    <font face="Verdana, Arial, Helvetica, sans-serif"><strong>Click to Submit form</strong></font>
    <BR><BR>
    <input name="agrcheck" type="checkbox" onClick="fifteenth(this)">
    <b><font color="#FF0000">I agree to these terms</font></b>
    <BR><BR>
    <input type="Submit" value="Submit" disabled>
</p>
</div>
</form>

<script>
document.forms.agrform.agrcheck.checked=false;
</script>
</body>
</html>



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