function validateForm(){

	var filter = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
	
	document.getElementById('error').innerHTML = '';
	
	var error = '';
	
 	var email = document.getElementById('email');
	
	var name = document.getElementById('name').value;
	var mail = document.getElementById('email').value;
	
	//var gender = document.getElementById('gender').value;
	
	var gender = '';
	
	for( i=0; i<document.startform.gender.length;i++ )
	{
		if( document.startform.gender[i].checked == true )
		gender = document.startform.gender[i].value;
	}	
	
	var age = document.getElementById('age').value;
	var address = document.getElementById('address').value;
	var city = document.getElementById('city').value;
	var state = document.getElementById('state').value;
	var postal_code = document.getElementById('postal_code').value;
	var phone = document.getElementById('phone').value;
	var find_us = document.getElementById('find_us').value;
	var contact_you = document.getElementById('contact_you').value;
	var comments = document.getElementById('comments').value;
	
	var total_code = city+' '+state+' '+postal_code ;
	
	//alert(mail+name+gender+age+address+city+state+postal_code+phone+find_us+contact_you+comments)

	if(name == ""){
		error += "<p>Please enter your name</p>" ;
	}
	if(address == ""){
		error += "<p>Please enter your address</p>" ;
	}
	if(city == ""){
		error += "<p>Please enter your city</p>" ;
	}
	if(postal_code == ""){
		error += "<p>Please enter your postal code</p>" ;
	}
	if(phone == ""){
		error += "<p>Please enter your phone</p>" ;
	}	
	
	if(mail == "" || !filter.test(email.value)){
		error += "<p>Please enter a valid mail</p>" ;
	}
	if(comments == ""){
		error += "<p>Please fill your msg</p>" ;
	}
	if(error == ''){
		email_form(name,mail,gender,age,address,total_code,phone,find_us,contact_you,comments);
		return false;
	}
	else{
		document.getElementById('error').innerHTML = error;
		return false;
		
	}
	
	
}