/* Function to validate the email address entered by the visitor */
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){
		window.alert("Please enter a valid email address.");
		return false;
	}
	if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		window.alert("Please enter a valid email address.");
		return false;
	}
	if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		window.alert("Please enter a valid email address.");
		return false
	}
	if (str.indexOf(at,(lat+1))!=-1){
		window.alert("Please enter a valid email address.");
		return false;
	}
	if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		window.alert("Please enter a valid email address.");
		return false;
	}
	if (str.indexOf(dot,(lat+2))==-1){
		window.alert("Please enter a valid email address.");
		return false;
	}
	if (str.indexOf(" ")!=-1){
		window.alert("Please enter a valid email address.");
		return false;
	}
	return true;			
}

/* Function to validate the fields on the quote request page */
function validateQuote(){
	var emailID=document.quoteForm.email;
	
	if(document.quoteForm.name.value == ""){
		window.alert("Please enter your name.");
		document.quoteForm.name.focus();
		return false;
	}
	else if ((emailID.value==null)||(emailID.value=="")){
		window.alert("Please enter a valid email address.");
		emailID.focus();
		return false;
	}
	else if (echeck(emailID.value)==false){
		emailID.value="";
		emailID.focus();
		return false;
	}
	else if(document.quoteForm.phone.value == ""){
		window.alert("Please enter your phone number.");
		document.quoteForm.phone.focus();
		return false;
	}
	else if(document.quoteForm.address1.value == ""){
		window.alert("Please enter your address.");
		document.quoteForm.address1.focus();
		return false;
	}
	else if(document.quoteForm.city.value == ""){
		window.alert("Please enter your city.");
		document.quoteForm.city.focus();
		return false;
	}
	else if(document.quoteForm.zip.value == ""){
		window.alert("Please enter your zip code.");
		document.quoteForm.zip.focus();
		return false;
	}
	else if(document.quoteForm.cname.value == ""){
		window.alert("Please enter a contact name.");
		document.quoteForm.cname.focus();
		return false;
	}
	else if(document.quoteForm.cphone.value == ""){
		window.alert("Please enter contact phone number.");
		document.quoteForm.cphone.focus();
		return false;
	}
	else if(document.quoteForm.daddress1.value == ""){
		window.alert("Please enter your delivery address.");
		document.quoteForm.daddress1.focus();
		return false;
	}
	else if(document.quoteForm.dcity.value == ""){
		window.alert("Please enter your delivery city.");
		document.quoteForm.dcity.focus();
		return false;
	}
	else if(document.quoteForm.dzip.value == ""){
		window.alert("Please enter your delivery zip code.");
		document.quoteForm.dzip.focus();
		return false;
	}
	else if(document.quoteForm.model.selectedIndex == 0){
		window.alert("Please select a container model.");
		document.quoteForm.model.focus();
		return false;
	}
	else if(document.quoteForm.ddate.value == ""){
		window.alert("Please enter your delivery date.");
		document.quoteForm.ddate.focus();
		return false;
	}
	else if(document.quoteForm.pdate.value == ""){
		window.alert("Please enter your pickup date.");
		document.quoteForm.pdate.focus();
		return false;
	}
	return true;
}

/* Function to validate the fields on the contact us page */
function validateContact(){
	var emailID=document.contactForm.email;
	
	if(document.contactForm.name.value == ""){
		window.alert("Please enter your name.");
		document.contactForm.name.focus();
		return false;
	}
	else if ((emailID.value==null)||(emailID.value=="")){
		window.alert("Please enter a valid email address.");
		emailID.focus();
		return false;
	}
	else if (echeck(emailID.value)==false){
		emailID.value="";
		emailID.focus();
		return false;
	}
	else if(document.contactForm.comments.value == ""){
		window.alert("Please enter your comments or questions.");
		document.contactForm.comments.focus();
		return false;
	}
	return true;
}

/* Function to validate the mailing list field value */
function validateMlist(){
	var emailID=document.mlistform.email;
	
	if ((emailID.value==null)||(emailID.value=="")){
		window.alert("Please enter a valid email address.");
		emailID.focus();
		return false;
	}
	else if (echeck(emailID.value)==false){
		emailID.value="";
		emailID.focus();
		return false;
	}
	return true;
}