function validation() 
{
	if(document.form1.b_name.value=="")
	{
		alert("Name: Please Enter Your Name");
		document.form1.b_name.focus();
		return false;
	}
	     
		 if(document.form1.phone.value!="") //disabled 
	{
		document.form1.phone.focus();
		return false;
                                else true;

	}
       if(isNaN(document.form1.phone.value))
	{
	alert("Mobile: Please Enter Numeric value !");
	document.form1.phone.focus();
	return false;
	}
	
	if(document.form1.dr_eml.value==''){
	    alert("Email: Please make sure Email is not left blank");
		document.form1.dr_eml.focus();
		return false;
	    }
		if(document.form1.dr_eml.value!='')
			{
				var AtSym    = document.form1.dr_eml.value.indexOf('@')
				var period1  = document.form1.dr_eml.value.indexOf('.')
				var Period  = document.form1.dr_eml.value.lastIndexOf('.');
				var Space  = document.form1.dr_eml.value.indexOf(' ');
 
				var Length   = document.form1.dr_eml.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 '.'
			(period1 < 1) ||
			(Period == Length ) ||             // Must be atleast one valid char after '.'
			(Space  != -1))                    // No empty spaces permitted
				{
			alert('Email: Please enter a valid e-mail address!')
			document.form1.dr_eml.focus();
			return false;
				}
		
        	}
            
       
        if(document.form1.sub.value=="")
	{
		alert("Subject: Please Enter  Subject");
		document.form1.textarea.focus();
		return false;
	}
 
if(document.form1.textarea2.value=="")
	{
		alert("Detail/Message: Please Enter your requirement");
		document.form1.textarea2.focus();
		return false;
	}
 }