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_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];}}
}

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];}
}

function initNavMenu() {
	MM_preloadImages('/common/images/btn_home_01.jpg',
					 '/common/images/btn_news_01.jpg',
					 '/common/images/btn_gallery_01.jpg',
					 '/common/images/btn_about_01.jpg',
					 '/common/images/btn_contact_01.jpg',
					 '/common/images/btn_membership_01.jpg',
					 '/common/images/btn_reference_01.jpg')
}

// SITE FUNCITON

function writeTag(txt, divtagname) {
	
	document.getElementById(divtagname).innerHTML = txt;
}

function doCheckOrderForm() {
	
	var process = true;

	writeTag("","err_email");
	if (document.xform.t_email.value == ''){
		writeTag("<span class='errorLabel'>Email cannot be blank</span>","err_email");
		process = false;
	} else{
		var iemail = document.xform.t_email.value;
		if ((iemail.indexOf('@') <= 0) || (iemail.indexOf('.') <= 0)){
		  writeTag("<span class='errorLabel'>Your email is not valid</span>","err_email");
		  process = false;
		}
	}
	
	if (document.xform.t_firstname.value == '') {
		writeTag("<span class='errorLabel'>Please provide your first name</span>","err_firstname");
		process = false;
	} else {
		writeTag("","err_firstname");
	}

	if (document.xform.t_tel.value == '' && document.xform.t_mobile.value == '') {
		writeTag("<span class='errorLabel'>Required</span>","err_tel");
		process = false;
	} else {
		writeTag("","err_tel");
	}
			
	if (document.xform.t_addr.value == '') {
		writeTag("<span class='errorLabel'>Delivery address required</span>","err_addr");
		process = false;
	} else {
		writeTag("","err_addr");
	}

	return process;
}


function doCheckEnqForm() {
	
	var process = true;

	writeTag("","err_email");
	if (document.xform.t_email.value == ''){
		writeTag("<span class='errorLabel'>Email cannot be blank</span>","err_email");
		process = false;
	} else{
		var iemail = document.xform.t_email.value;
		if ((iemail.indexOf('@') <= 0) || (iemail.indexOf('.') <= 0)){
		  writeTag("<span class='errorLabel'>Your email is not valid</span>","err_email");
		  process = false;
		}
	}
	
	if (document.xform.t_firstname.value == '') {
		writeTag("<span class='errorLabel'>Please provide your first name</span>","err_firstname");
		process = false;
	} else {
		writeTag("","err_firstname");
	}

			
	if (document.xform.t_message.value == '') {
		writeTag("<span class='errorLabel'>Message cannot be blank</span>","err_message");
		process = false;
	} else {
		writeTag("","err_message");
	}

	return process;
}


function format_number(pnumber,decimals){
	if (isNaN(pnumber)) { return 0};
	if (pnumber=='') { return 0};
	
	var snum = new String(pnumber);
	var sec = snum.split('.');
	var whole = parseFloat(sec[0]);
	var result = '';
	
	if(sec.length > 1){
		var dec = new String(sec[1]);
		dec = String(parseFloat(sec[1])/Math.pow(10,(dec.length - decimals)));
		dec = String(whole + Math.round(parseFloat(dec))/Math.pow(10,decimals));
		var dot = dec.indexOf('.');
		if(dot == -1){
			dec += '.'; 
			dot = dec.indexOf('.');
		}
		while(dec.length <= dot + decimals) { dec += '0'; }
		result = dec;
	} else{
		var dot;
		var dec = new String(whole);
		dec += '.';
		dot = dec.indexOf('.');		
		while(dec.length <= dot + decimals) { dec += '0'; }
		result = dec;
	}	
	return result;
}