// JavaScript Document
// Example:
// <form onSubmit="return validate();">

// Required Fields
function dlt_checkRequired(strRequired)
{ if (strRequired === '' || strRequired === null)
     {sysMessage="You Can Not Skip Required Fields.";
      alert(sysMessage); return false; }
	  return true;
}
// Email Validation
function dlt_checkEmail(strEmail)
{ posDot=strEmail.search('.');
  posAt=strEmail.search('@');
  posOfFirstTrailingDotAfterAt= strEmail.indexOf(".",posAt);
        if(strEmail.search(/ /)!=-1)
           {sysMessage="Email Add Can Not Contain Space.";
           alert(sysMessage);return false; }
		if(strEmail.length<=5)
           {sysMessage="Email Add is too Short";
           alert(sysMessage);return false; }
		if(posAt<1)
           {sysMessage="Misplaced @ in Email.";
           alert(sysMessage);return false; }
		if(!(posOfFirstTrailingDotAfterAt> posAt+1))
          {sysMessage=". is misplaced after @";
          alert(sysMessage);return false; }
		if(posOfFirstTrailingDotAfterAt == strEmail.length-1)
          {sysMessage="Invalid Email";
          alert(sysMessage);return false; }
	   return true;
}
// Number Validation
function dlt_checknumber(strNumber)
{ rangeNumber=/^[0-9 ]$/;
     for(i=0;i<strNumber.length;i++)
       {if(!strNumber.charAt(i).match(rangeNumber))
          { sysMessage="Alphas Are Not Allowed";
     		alert(sysMessage);return false; }
       }
	 return true;  
}