// JavaScript Document
function validate_form() {
valid = true;

	var x = document.contact_form.email.value;
	var filter  = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;




if ( document.contact_form.first_name.value == ""  )
        {
			
			   
                alert ( "Enter First Name" );
				
                valid = false;
        }
		
		else if ( document.contact_form.company_name.value == ""  )
        {
			
			   
                alert ( "Enter Company Name" );
				
                valid = false;
        }
		
		
		else if ( document.contact_form.job_title.value == ""  )
        {
			
			   
                alert ( "Enter Job Title" );
				
                valid = false;
        }
		
				else if ( document.contact_form.email.value == ""  )
        {
			
			   
                alert ( "Enter Email Address" );
				
                valid = false;
        }
		
		    else	if (!filter.test(x)) {
		            alert('Please kindly enter a valid email address. For example, john@hotmail.com');
		
		             valid =false;
	                    }
		
		
						else if ( document.contact_form.phone.value == ""  )
        {
			
			   
                alert ( "Enter Phone No" );
				
                valid = false;
        }
		



		
<!--else if ( ( document.contact_form.choice[0].checked == false ) && ( document.contact_form.choice[1].checked == false ) && ( document.contact_form.choice[2].checked == false )) { alert ( "Please choose a radio button" ); return false; } -->

          else if ( ( document.contact_form.choice.checked == false ) && ( document.contact_form.choice2.checked == false ) && ( document.contact_form.choice3.checked == false ) )
											{
												
												alert ( "Please choose a checkbox" );			   
												valid = false;	
												
											}
												   
						
											 
											 

           else if (document.contact_form.first_name.value != "" ) {
	
                alert("Thank you for taking time to submit your details.\n We will be in touch shortly.\n \t\t\t\t\t\t\t\t\t\t Best Regards,\n \t\t\t\t\t\t\t\t\t\t Webnatics ");
                    }


return valid;

     

}