function validation()
{
	//alert('Hello');
	var name = document.formx.name.value;
	var phone = document.formx.phone.value;
	var email = document.formx.email.value;
	
	var emailFormat = /^\w(\.?[\w-])*@\w(\.?[\w-])*\.[a-zA-Z]{2,6}(\.[a-zA-Z]{2})?$/i;
	
	if((name=='') || (name=='Name :'))
	{
		alert("Please enter Name");
		document.formx.name.focus();
		return false;
	}
	if((phone=='') || (phone=='Phone :'))
	{
		alert("Please enter Phone Number");
		document.formx.phone.focus();
		return false;
	}
	else (phone!="")	
	{
		var res = IsNumeric(phone);
		if(res==false)		
		{
			alert("Please Enter numeric values in Phone No.");
			document.formx.phone.value ="";
			document.formx.phone.focus();
			return false;
		}
	}
	if(email=='')
	{
		alert("Please enter Valid Email Address");
		document.formx.email.focus();
		return false;
	}
	if(email!= "")	
	{	
		var eres=email.search(emailFormat);
		if(eres == -1)		
		{
			alert("Please enter Valid Email Address");
			document.formx.email.focus();
			return false;
		}
	}
	
}

function IsNumeric(strString)  
{
	var strValidChars = "0123456789.,";
   	var strChar;
   	var blnResult = true;
   
   	for (i = 0; i < strString.length && blnResult == true; i++)    
	{
    	strChar = strString.charAt(i);
      	if (strValidChars.indexOf(strChar) == -1) 
		{
         	blnResult = false;
        }
    }
   	return blnResult;
}