// main product search
function SearchProducts() {
	if (document.formHeaderSearch.SearchValue.value.length > 2) {
		if (document.formHeaderSearch.SearchValue.value.length > 100) {
			alert("Your search term is too long. Please enter a shorter term.");
		} else {
			document.formHeaderSearch.submit();	
		};
	} else {
		alert("Please enter a product to search for.");
	};
}

// open the div to show the livechat inside
function OpenLiveChat() {
	var disp;
	disp = document.getElementById('LiveChatWindow').style.display
	
	if (disp == "none") {
		document.getElementById('LiveChatWindow').style.display = "block";
		document.getElementById('PromotionImage4').src = "/images/buttons/promotionbar/livechat_on.gif";
		//close any other popup windows
		document.getElementById('BasketWindow').style.display = "none";
		document.getElementById('PromotionImage5').src = "/images/buttons/promotionbar/basket.gif";
	} else {
		document.getElementById('LiveChatWindow').style.display = "none";
		document.getElementById('PromotionImage4').src = "/images/buttons/promotionbar/livechat.gif";
	}
}

// open the div to show the mini basket
function OpenBasket() {
	var disp;
	disp = document.getElementById('BasketWindow').style.display
	
	if (disp == "none") {
		document.getElementById('BasketWindow').style.display = "block";
		document.getElementById('PromotionImage5').src = "/images/buttons/promotionbar/basket_on.gif";
		//close any other popup windows
		document.getElementById('LiveChatWindow').style.display = "none";
		document.getElementById('PromotionImage4').src = "/images/buttons/promotionbar/livechat.gif";
	} else {
		document.getElementById('BasketWindow').style.display = "none";
		document.getElementById('PromotionImage5').src = "/images/buttons/promotionbar/basket.gif";
	}
}


// used for the site captcha
function RefreshImage(valImageId) {
	var objImage = document.images[valImageId];
	if (objImage == undefined) {
		return;
	}
	var now = new Date();
	objImage.src = objImage.src.split('?')[0] + '?x=' + now.toUTCString();
}

// preload "on" images for the promotions bar
if (document.images) {
	img1 = new Image();
	img2 = new Image();
	img3 = new Image();

	img1.src = "/images/buttons/promotionbar/basket_on.gif";
	img2.src = "/images/buttons/promotionbar/livechat_on.gif";
}

function MM_validateForm() { //v4.0
  if (document.getElementById){
    var i,p,q,nm,test,num,min,max,errors='',args=MM_validateForm.arguments;
    for (i=0; i<(args.length-2); i+=3) { test=args[i+2]; val=document.getElementById(args[i]);
      if (val) { nm=val.name; if ((val=val.value)!="") {
        if (test.indexOf('isEmail')!=-1) { p=val.indexOf('@');
          if (p<1 || p==(val.length-1)) errors+='- '+nm+' must contain an e-mail address.\n';
        } else if (test!='R') { num = parseFloat(val);
          if (isNaN(val)) errors+='- '+nm+' must contain a number.\n';
          if (test.indexOf('inRange') != -1) { p=test.indexOf(':');
            min=test.substring(8,p); max=test.substring(p+1);
            if (num<min || max<num) errors+='- '+nm+' must contain a number between '+min+' and '+max+'.\n';
      } } } else if (test.charAt(0) == 'R') errors += '- '+nm+' is required.\n'; }
    } if (errors) alert('The following error(s) occurred:\n'+errors);
    document.MM_returnValue = (errors == '');
} }