function validation(dataform)
{

	if ((document.dataform.myfield1.value== 0) || (document.dataform.myfield1.value== "Name"))
	{
		alert ("Please Enter Your Name");
		document.dataform.myfield1.focus()
		  return (false);
	}
	var reg = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,3})$/;
	if((document.dataform.myfield2.value.search(reg)== -1) || (document.dataform.myfield2.value.search(reg)== "Email Id"))
    {
      alert('Enter Valid Email Address');
	  document.dataform.myfield2.focus()
      return false;
   }
	
	
   
	if ((document.dataform.myfield3.value== 0)|| (document.dataform.myfield4.value== "Contact No."))
	{
		alert ("Please Enter Your Contact No.");
		document.dataform.myfield3.focus()
		  return (false);
	}
           
	if ((document.dataform.myfield4.value== 0)|| (document.dataform.myfield4.value== "Company Name"))
	{
		alert ("Please Enter Company Name");
		document.dataform.myfield4.focus()
		  return (false);
	}
	if ((document.dataform.myfield5.value== 0) || (document.dataform.myfield5.value== "Company URL"))
	{
		alert ("Please Enter Your Company URL");
		document.dataform.myfield5.focus()
		  return (false);
	}
	
	if ((document.dataform.myfield6.value== 0)||(document.dataform.myfield6.value== "Message"))
	{
		alert ("Please Enter Your Message");
		document.dataform.myfield6.focus()
		  return (false);
	}
	
}