//contact form
function sub_contact(){
	var errors="";
	if (document.contact_info.firstname.value == ''){
		//error
		errors+="- Your First Name\n";
	}
	if (document.contact_info.lastname.value == ''){
		//error
		errors+="- Your Last Name\n";
	}
	// if (document.contact_info.city_state.value == ''){
		//error
		//errors+="- Your City, State of Residence\n";
	//}
	// if (document.contact_info.phone_number.value == ''){
		//error
		//errors+="- Your Best Phone Number for Contact\n";
	// }
	if (document.contact_info.email.value == ''){
		//error
		errors+="- Your email address\n";
	}
	if (echeck(document.contact_info.email.value) == false){
		//error
		errors+="- Your email address is invalid\n";
	}
	// if (document.contact_info.subject.value == ''){
		//error
		//errors+="- The subject of this email\n";
	//}
	// if (document.contact_info.message.value == ''){
		//error
		//errors+="- Your message or comments\n";
	//} 
	if (errors !=""){
		alert('The following field(s) are missing:\n'+errors);
		return false;
	} 
	else {
		
		document.getElementById("contact_info").submit();
	}
}

function echeck(str) {
	var at="@"
	var dot="."
	var lat=str.indexOf(at)
	var lstr=str.length
	var ldot=str.indexOf(dot)
	
	if (str.indexOf(at)==-1){
	   return false
	}

	if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		return false
	}

	if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		return false
	}

	 if (str.indexOf(at,(lat+1))!=-1){
		return false
	 }

	 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		return false
	 }

	 if (str.indexOf(dot,(lat+2))==-1){
		return false
	 }
	
	 if (str.indexOf(" ")!=-1){
		return false
	 }

	 return true					
}