function validateForm()
{  
if(document.wpcf_form.name.value=='enter your name' || document.wpcf_form.name.value==''){
alert("Please Enter Name!");
document.wpcf_form.name.focus();
return false;
}

else if(document.wpcf_form.email.value==''){

alert("Please Enter Your  E-mail ID!");
	
	document.wpcf_form.email.focus();
	return false;
	
	}
	else if(!isValidEmail(document.wpcf_form.email.value)){
	alert("Please Enter Valid E-mail ID!");
	document.wpcf_form.email.focus();
	return false;
	}
}

function isValidEmail(str) {
return (str.indexOf(".") > 2) && (str.indexOf("@") > 0);
}