function CheckContact(theform){

var error = "";
/*//*/
error += isBlank(theform.name.value,"Please enter your Full Name.");
error += checkEmail(theform.email.value,"Please enter a valid Email Address.");
error += isEmptyNum(theform.tel.value,"Please enter a valid Phone Number.");
error += isBlank(theform.comments.value,"Please enter your Questions or Comments.");

if(error != ""){ alert(error); return false; }  // else { return true; }
}


function CheckComp(theform){

var error = "";
/*//*/
error += isBlank(theform.name.value,"Please enter your First Name.");
error += isBlank(theform.surname.value,"Please enter your Surname.");
error += checkEmail(theform.email.value,"Please enter a valid Email Address.");
error += isEmptyNum(theform.tel.value,"Please enter a valid Phone Number.");
error += isBlank(theform.answer.value,"Please enter your Answer.");

if(error != ""){ alert(error); return false; }  // else { return true; }
}

function CheckEnq(theform){

var error = "";
/*//*/
error += isBlank(theform.fromname.value,"Please enter your Full Name.");
error += checkEmail(theform.fromemail.value,"Please enter a valid Email Address.");
error += isEmptyNum(theform.tel.value,"Please enter a valid Phone Number.");
error += isBlank(theform.comments.value,"Please enter your Questions / Comments.");

if(error != ""){ alert(error); return false; }  // else { return true; }
}



function CheckSubscribe(theform){

var error = "";
/*//*/
error += isBlank(theform.name.value,"Please enter your First Name.");
error += isBlank(theform.surname.value,"Please enter your Surname.");
error += checkEmail(theform.email.value,"Please enter a valid Email Address.");

if(error != ""){ alert(error); return false; }  // else { return true; }
}


 function http(field){
 field.value=field.value.replace('http://','');
 } function http(field){
 field.value=field.value.replace('http://','');
 }
 
 ////////////////
 
 

function trim(stringToTrim) {
	if(stringToTrim){
		return stringToTrim.replace(/^\s+|\s+$/g,"");
	}
}
 
function isBlank(str,msg){
	var error = "";
	if(str){
		str = trim(str)
	if(str.length == 0){ error = msg +'\n'; }
	} else { return error = msg +'\n'; } 
	return error;
	}


function fieldmatch(str1,str2,msg){
	var error = "";
	if(str1 != str2){
	error = msg +'\n';
	}
	return error;

}



function checkEmail (strng,msg) {
var error="";
	if (isBlank(strng)) { error = msg + "\n"; }
	
		var emailFilter=/^.+@.+\..{2,4}$/;
		if (!(emailFilter.test(strng))) { error = msg + "\n"; }
		else {
		   var illegalChars= /[\(\)\<\>\,\;\:\\\"\[\]]/
			 if (strng.match(illegalChars)) { error = msg + "\n"; }
		}
	return error;    
}

function isEmptyNum(strng,msg) {
var error = "";
	if (isBlank(strng)) { error = msg + "\n"; } else {
		   var illegalChars= /[\@\<\>\,\;\:\\\"\[\]]/
			 if (strng.match(illegalChars)) { error = msg + "\n"; }
		}
	return error;	  
}
function valNum(strng,msg) {
var error = "";
	if(strng.length != 0){
		   var illegalChars= /[\@\<\>\,\;\:\\\"\[\]]/
			 if (strng.match(illegalChars)) { error = msg + "\n"; }
	}
	return error;	  
}


function radio(radiobut,strng){
var error = "";
var radio_choice = false;
for (i = 0; i < radiobut.length; i++){
if (radiobut[i].checked)
radio_choice = true; 
}
if (!radio_choice){ error = ""+strng+"\n"; }
return error; }

function dropdown(menu,strng){
var error = "";
 if ( menu.selectedIndex == 0 )
    {
        error = strng+" \n";
        valid = false;
    }
	return error; }
	


function toggleLayer(whichLayer){
if (document.getElementById) {
	// this is the way the standards work
	var style2 = document.getElementById(whichLayer).style;
	style2.display = style2.display? "":"block";
}
else if (document.all){
	// this is the way old msie versions work
	var style2 = document.all[whichLayer].style;
	style2.display = style2.display? "":"block";
} else if (document.layers) {
	// this is the way nn4 works
	var style2 = document.layers[whichLayer].style;
	style2.display = style2.display? "":"block"; }
}

function dropother(menu,layer){
 if ( menu.selectedIndex == 1 ){
 	toggleLayer(layer); } else { 	
	if(document.getElementById(layer).style.display == "block"){
 	toggleLayer(layer); } }

}
function strMatch(f1,f2,msg){
var error = "";
 if (f1 != f2){
	 error = msg+"\n";
	 }

}