//SIDE NAVIGATION FUNCTION
function display (L, category) {
	var myArray = new Array();
	var whichcategory = document.getElementById(category);
	
	myArray[0] = "who_we_are";
	myArray[1] = "where_to_buy";
	myArray[2] = "customer_service";
	myArray[3] = "FAQ";
	myArray[4] = "inno";
	myArray[5] = "save";
	myArray[6] = "tech";
	myArray[7] = "green_thinking";

	for (i=0; i < myArray.length; i++) {
		if (category != myArray[i]) {
			if (document.getElementById(myArray[i]) != null) {
				document.getElementById(myArray[i]).className="hide";
			}
		}
	}
	if (whichcategory != null) {
		if (whichcategory.className=="show") {
			whichcategory.className="hide";
		} else {
			whichcategory.className="show";
		}
	}
	
	var y = document.getElementById("leftnavcontent").getElementsByTagName("ul");
	for (i=0; i < y.length; i++) {
		if (y[i].className == "leftnav") {
			var w = y[i].getElementsByTagName("li");
			for (j=0; j < w.length; j++) {
				
				w[j].className = "navlink";
			}
		}
	}
	
	var x = document.getElementById(L);
	if (x != null) {
		x.className = x.className + " active";
	}
}

function PopWin(url, width, height) {
	var myWin = window.open(url,"_blank","toolbar=no, location=no, directories=no, status=no, menubar=no, scrollbars=auto, resizable=yes, copyhistory=yes, width=" + width + "px, height=" + height+"px");
}

function PopWin2(url, width, height, status, location, scrollbars, resizable, copyhistory) {
	var myWin = window.open(url,"_blank","toolbar=no, location="+ location +", directories=no, status="+status+", menubar=no, scrollbars="+scrollbars+", resizable="+resizable+", copyhistory="+history+", width=" + width + "px, height=" + height+"px");
}

// validating forms
function formcheck(form) {
	var result = true;
	var errmsg = "";
	var focuson = -1;
	for (i = 0; i < form.length; i++) {
		// only operate when object is NOT submit type object.
		if (form.elements[i].type.toLowerCase() == "text") {
			// case 1: if this is Email...
			if ((form.elements[i].name.toLowerCase() == "email") || (form.elements[i].name.toLowerCase() == "e-mail")) {
				// check if it's empty, if so, leave it to the next case to catch this error.
				if (form.elements[i].value.length > 0) {
					at = form.elements[i].value.indexOf("@");
					dot = form.elements[i].value.lastIndexOf(".");
					if (((dot - at) <= 1) || (at < 1)) {
						if (errmsg != "") {	errmsg = errmsg + "\nInvalid Email!"; }
						else { errmsg = "Invalid Email!"; }
						if (focuson == -1) { focuson = i; }
						result = false;
					}
				}
			}
			// case 2: input cannot be empty!
			if (form.elements[i].value.length <= 0) {
				if (errmsg != "") { errmsg = errmsg + "\nPlease fill in " + form.elements[i].name; }
				else { errmsg = "Please fill in " + form.elements[i].name; }
				if (focuson == -1) { focuson = i; }
				result = false;
			}			
		}
		
		if (form.elements[i].type.toLowerCase() == "select-one") {
			if (form.elements[i].selectedIndex == 0) {
				if (errmsg != "") { errmsg = errmsg + "\nPlease fill in " + form.elements[i].name; }
				else { errmsg = "Please fill in " + form.elements[i].name; }
				if (focuson == -1) { focuson = i; }
				result = false;
			}			
		}
	}	
	if (errmsg != "") {
		alert(errmsg.replace(/_/g, " "));
		form.elements[focuson].style.background = "#FFFA78";
		form.elements[focuson].focus();
	}
	return result;
}

// Print
function printpage() {
	window.print();  
}

// get parameters value.
function getURLParam(strParamName){
  var strReturn = "";
  var strHref = window.location.href;
  if ( strHref.indexOf("?") > -1 ){
    var strQueryString = strHref.substr(strHref.indexOf("?")).toLowerCase();
    var aQueryString = strQueryString.split("&");
    for ( var iParam = 0; iParam < aQueryString.length; iParam++ ){
      if (
aQueryString[iParam].indexOf(strParamName.toLowerCase() + "=") > -1 ){
        var aParam = aQueryString[iParam].split("=");
        strReturn = aParam[1];
        break;
      }
    }
  }
  return unescape(strReturn);
}