function validate_contactdata(frm) //function to validate contact us { var flag = 1; if(IsEmailValid(frm.email) == false) { alert("Please Enter email Id In This Formate 'admin@gmail.com' ") frm.email.focus(); flag = 0; return (false); } if(frm.user_name.value=="") { alert("Name can not be blank. Please enter it..") frm.user_name.focus(); flag = 0; return (false); } if(frm.message.value == "") { alert("Message can not be blank. Please enter it..") frm.message.focus(); flag = 0; return (false); } if(frm.phone.value != " ") { if (isNaN(frm.phone.value)) { alert( "Please enter a valid number!" ); frm.phone.focus(); flag = 0; return (false); } } if(flag == 1) { document.frm.submit(); return (true); } } function IsEmailValid(FormName) { var EmailOk = true var Temp = FormName; var AtSym = Temp.value.indexOf('@') var Period = Temp.value.lastIndexOf('.') var Space = Temp.value.indexOf(' ') var Length = Temp.value.length - 1 // Array is from 0 to length-1 if ((AtSym < 1) || // '@' cannot be in first position (Period <= AtSym+1) || // Must be atleast one valid char btwn '@' and '.' (Period == Length ) || // Must be atleast one valid char after '.' (Space != -1)) // No empty spaces permitted { EmailOk = false Temp.focus() } return EmailOk }
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