function init(){
	var ins = document.getElementsByTagName('input');
var sels = document.getElementsByTagName('select');
var tars = document.getElementsByTagName('textarea');
loopA(sels);
loopA(tars);
loopA(ins);
}
function loopA(ins){
	for(i=0;i<ins.length-1;i++){
		var titem = document.getElementById(ins[i].id);
		if(!titem.type || titem.type == 'text'){
			//alert(titem.type);
			titem.className = 'cont';
			titem.onclick=function(){
			this.value = '';	
			this.className = 'contOn';
			}
			titem.onfocus=function(){
			this.value = '';	
			this.className = 'contOn';
			}
			titem.onblur=function(){
				this.className = 'cont';
			}
		}
	}
	
	
}
 //init();
window.onload = function(){ init(); }

function element(id){
	return document.getElementById(id);
}


rightMoves = -5;
leftMoves = 5;

function move_up() {
    scroll_clipper.scrollTop = 0;
  }
function changeOpac(opacity, id)
{
var object = document.getElementById(id).style;
object.opacity = (opacity / 100);
object.MozOpacity = (opacity / 100);
object.KhtmlOpacity = (opacity / 100);
object.filter = "alpha(opacity=" + opacity + ")";
}

function blendimage(divid, imageid, imagefile, millisec)
{
var speed = Math.round(millisec / 10);
var timer = 0;

//set the current image as background
document.getElementById(divid).style.backgroundImage = "url(" + document.getElementById(imageid).src + ")";

//make image transparent
changeOpac(0, imageid);

//make new image
document.getElementById(imageid).src = imagefile;

//fade in image
for(i = 0; i <= 100; i++)
{
setTimeout("changeOpac(" + i + ",'" + imageid + "')",(timer * speed));
timer++;
}
}

var slideCache = new Array();
function RunSlideShow(divid,imageid,imageFiles,displaySecs)
{
var imageSeparator = imageFiles.indexOf(";");
var nextImage = imageFiles.substring(0,imageSeparator);

changeOpac(0, imageid);
blendimage(divid,imageid,nextImage,100);

var futureImages= imageFiles.substring(imageSeparator+1,imageFiles.length)+ ';' + nextImage;
setTimeout("RunSlideShow('"+divid+"','"+imageid+"','"+futureImages+"',"+displaySecs+")",displaySecs*1000);

// Cache the next image to improve performance.
imageSeparator = futureImages.indexOf(";");
nextImage = futureImages.substring(0,imageSeparator);
if (slideCache[nextImage] == null)
{
slideCache[nextImage] = new Image;
slideCache[nextImage].src = nextImage;
}
}



function checkForm(theform){

var error = "";
/*//*/
error += dropdown(theform.title,"Please enter your Name");
error += isBlank(theform.name.value,"Please enter your Name");
error += isBlank(theform.surname.value,"Please enter your Surname");
error += isEmptyNum(theform.tel.value,"Please enter a valid Phone Number");
error += checkEmail(theform.email.value,"Please enter a valid Email Address");
error += dropdown(theform.topic,"Please choose who you would like to contact.");
error += isBlank(theform.comments.value,"Please enter your comments or questions");

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


function over(src,state){
	if(state == "on"){
	document.getElementById(src).src='images/salamanav-over_'+src+'.jpg';	
	}
	if(state == "off"){
	document.getElementById(src).src='images/salamanav_'+src+'.jpg';	
	} 
}
/*/ 
/*/
function ismaxlength(obj){

var mlength=obj.getAttribute? parseInt(obj.getAttribute("maxlength")) : ""

if (obj.getAttribute && obj.value.length>mlength)

obj.value=obj.value.substring(0,mlength)

}

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

function trim(stringToTrim) {
	return stringToTrim.replace(/^\s+|\s+$/g,"");
}
 
function isBlank(str,msg){
	var error = "";
	str = trim(str)
	if(str.length == 0){ 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=/^.+@.+\..{2,3}$/;
		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); } }

}