I have this function which i am using to compare two input fields. If the user enters the same number in both the text field. On submit there will be an error. Now i would like to know if there is a way to allow same number but not higher than or lower the value of the previous text box by 1. For example if user enters 5 in previous text box, the user can only input either 4, 5 or 6 in the other input field.Please give me some suggestions.
<script type=\"text/javascript\">
function Validate(objForm) {
var arrNames=new Array(\"text1\", \"text2\");
var arrValues=new Array();
for (var i=0; i<arrNames.length; i++) {
var curValue = objForm.elements[arrNames[i]].value;
if (arrValues[curValue + 2]) {
alert(\"can\'t have duplicate!\");
return false;
}
arrValues[curValue] = arrNames[i];
}
return true;
}
</script>
<form onsubmit=\"return Validate(this);\">
<input type=\"text\" name=\"text1\" /><input type=\"text\" name=\"text2\" /><button type=\"submit\">Submit</button>
</form>
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