<!--
var v1;
var v2;
var v3;
var v4;
var v5;
var v6;
var v7;
var v8;

<!-- GET FIELDS ID'S -->
function getObject(elmID) {
    if(document.getElementById) {elmID = document.getElementById(elmID);}
    else if(document.all) {elmID = document.all[elmID];}
    else if(document.layers) {elmID = this._getLayer(elmID);}
    else if(document.forms) {
        if(document.forms[elmID]) {elmID = document.forms[elmID];}
        else {
            for(var i=0; i<document.forms.length; i++) {
                if(document.forms[i][elmID]) {
                    elmID = document.forms[i][elmID];
                    break;
                }
            }
        }
    }
    else {elmID = null;}

    return elmID;
}

<!-- VALIDATE FIELDS -->
function validateform(){
	
	v1	= getObject("name1");
	v2	= getObject("email1");

	var theMessage = "Please complete the following: \n\n";
	var noErrors = theMessage;
	
	if (v1.value == "" || v1.value == "undefined" || v1.value == "null") {
	 	theMessage = theMessage + "\n --> Your name is required";
	}
	
	if (!/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,4})+$/.test(v2.value)){
				theMessage = theMessage + "\n --> A valid email address is required";
	}
	
	if (theMessage == noErrors) {
		
		<!-- HERE YOU DECIDE HOW TO SUBMIT THE FORM -->
		
		} else {
		
			alert(theMessage);
			return false;
		}
	
}

function validateform2(){
	
	v3	= getObject("name2");
	v4	= getObject("email2");
	v5 	= getObject("arrival");
	v6 	= getObject("nights");
	v7	= getObject("people");
	v8	= getObject("phone");

	var theMessage = "Please complete the following: \n\n";
	var noErrors = theMessage;
	
	if (v3.value == "" || v3.value == "undefined" || v3.value == "null") {
		 theMessage = theMessage + "\n --> Your name is required";
	}

	if (!/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,4})+$/.test(v4.value)){
				theMessage = theMessage + "\n --> A valid email address is required";
	}
	
	if (v5.value == "" || v5.value == "undefined" || v5.value == "null") {
		 theMessage = theMessage + "\n --> Date of arrival is required";
	}

	if (v6.value == "" || v6.value == "undefined" || v6.value == "null") {
		 theMessage = theMessage + "\n --> Number of nights is required";
	}
	
	if (v7.value == "" || v7.value == "undefined" || v7.value == "null") {
	 	theMessage = theMessage + "\n --> Number of people is required";
	}
	
	if (v8.value == "" || v8.value == "undefined" || v8.value == "null") {
		 theMessage = theMessage + "\n --> Phone number is required";
	}

	if (theMessage == noErrors) {
		
		<!-- HERE YOU DECIDE HOW TO SUBMIT THE FORM -->
		
		} else {
		
			alert(theMessage);
			return false;
		}
	
}
//-->