// JavaScript Document

// Preload Images
function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

MM_preloadImages('_imgs/hc_over.jpg','_imgs/o2v_over.jpg');

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

// Checks whether email address is valid...
function checkemail(email) {
	atplace = email.indexOf('@');
	dotplace = email.indexOf('.');
	if ((email=='') || (atplace==0) || (atplace==-1) || (email.length<5) || (dotplace==0) || (dotplace==-1)) {
		return false;
	}
	return true;
	
}

// Checks the email form to see if the fields are filled in correctly...
function checkeml() {
	errmsg='';
	if (document.emailform.subject.value=='') {
		errmsg+='Please Enter a Subject for this email...\n';
	}
	if (document.emailform.name.value=='') {
		errmsg+='Please Enter your name...\n';
	}
	if (!checkemail(document.emailform.email.value)) {
		errmsg+='Please Enter a correct Email address...\n';
	}
	if (document.emailform.msg.value=='') {
		errmsg+='Please Enter a message...\n';
	}

	if (errmsg!='') {
		alert(errmsg);
	} else {
		// submit form
		document.emailform.submit();
	}
}

// Checks a refno is entered
function checkref() {
	errmsg='';
	if (document.mainform.refsearch.value=='') {
		errmsg+='Please Enter a Reference Number for the search...\n';
	}
	if (errmsg!='') {
		alert(errmsg);
	} else {
		// submit form
		document.mainform.submit();
	}
}

// logs in to the backend CMS...
function login() {
	window.open('admin/index.php');
}

//open slideshow window
function newWindow(mypage,w,h){
	var winl = (screen.width-w)/2;
	var wint = (screen.height-h)/2;
	//var settings ='height='+h+',';
	//settings +='width='+w+',';
	//settings +='top='+wint+',';
	//settings +='left='+winl+',';
	var settings ='toolbar=0,scrollbars=1,location=0,statusbar=1,menubar=1,resizable=1, fullscreen=1';
	day = new Date();
	id = day.getTime();
	win=window.open(mypage,id,settings);
	if(parseInt(navigator.appVersion) >= 4){win.window.focus();}
}