// JavaScript Document
var pages = new Array("Home", "Gallery", "Exhibitions", "Education", "Contact", "Giclee");
var pageDescription = new Array("Homepage", "Gallery", "Exhibitions; past, present and future", "Education Details", "Contact Me", "Order Giclee Prints");
var defaultStatus = "Clair Letton - print making portfolio";
var navigation = new Array();
var rollovers = new Array();

function navPreloader() {
	for(i in pages){
		navigation[i] = new Image();
		navigation[i].src = "images/nav"+pages[i]+".gif";
		rollovers[i] = new Image();
		rollovers[i].src = "images/nav"+pages[i]+"_.gif";
	}
}

function navover(page) {
	page += -1; //This is an offset to index into the array
	rollover(pages[page].toLowerCase(), rollovers[page].src);
	setStatus(pageDescription[page]);
}

function navout(page) {
	page += -1; //This is an offset to index into the array
	rollover(pages[page].toLowerCase(), navigation[page].src);
	setStatus(defaultStatus);
}

function navStatus(page) {
	page += -1; //This is an offset to index into the array
	setStatus("Click here for - "+pageDescription[page]);
}

function rollover(imgName, imgSrc) {
	if(document.images) {
		document.images[imgName].src = imgSrc;	
	}
}

function setStatus(message) {	
	if(message) {
		window.status = message;
		return true;
	}
	window.status = defaultStatus;
}

function getLinksToBlur()
{
 function unblur(){this.blur();}
 if (!document.getElementById){return;}
 links = document.getElementsByTagName("a");
 for(i=0; i<links.length; i++)
 {
  links[i].onfocus = unblur;
 }
}

function noSpam(user, subject){
	var domain="clairletton.com";
	var pad="@";
	if(subject=="") {
		location.href='mailto:'+user+pad+domain;
	}
	else{
		location.href='mailto:'+user+pad+domain+'?subject='+subject;
	}
}

function preloadImages() {
	
	var image =  new Array("arial",
							 "arial1",
							 "arial12",
							 "greyStreets",
							 "nightHills",
							 "nightTimeStreets",
							 "nightTimeStreets2",
							 "overGlynde",
							 "overGlynde1",
							 "spanishStreets",
							 "tor",
							 "udaipur");
	
	for(i in image){
		image[i] = new Image();
		image[i].src = "images/main/"+image[i]+".jpg";
	}
}


function setTitle(title) {
	var titleElement = document.getElementById("title").innerHTML = "now showing:\t" + title;
}


function showMain(imgSrc, title) {
	if(document.images) {
		document.images.main_image.src = imgSrc;
		document.images.main_image.onload = deregister;
		register(title);
		setTitle(title);
	}
}