// JavaScript Document

function MM_openBrWindow(theURL,winName,features) { //v2.0
	window.open(theURL,winName,features);
}

// Extract Cart id from header and goto requested page
function updateParent(newURL){
	oldURL = String(opener.document.location);
	tempStart = oldURL.indexOf("cart_id");
	if (tempStart > 0){
		tempString = oldURL.substring(tempStart, oldURL.length);
		tempEnd = tempString.indexOf("&");
		if (tempEnd < 0){
			tempEnd = tempString.length;
		}
		tempCartid = tempString.substring(0, tempEnd);
		opener.document.location = newURL+"&"+tempCartid;
	} else {
		opener.document.location = newURL;
	}
	opener.window.focus();
}

function addToFavourites() {
	var urlAddress = "http://www.platinumringcompany.com";
	var pageName = "PlatinumRingCompany.com - the Perfect Place for Platinum";
	if (window.external){
		window.external.AddFavorite(urlAddress,pageName);
     }else{
	 	alert("Sorry! Your browser doesn't support this function.");
     }
}

<!-- This script will validate that the required fields are set  -->
function fixElement(element, message) {
	alert(message);
	element.focus();
}

function isFormReady(form) {
	var passed = false;
	if (form.keywords.value == "" || form.keywords.value == "Search") {
		fixElement(form.keywords, "Please enter something to search for!");
	} else {
		passed = true;
	}
	return passed;
}

function ViewCrossReference (selSelectObject){
	if(selSelectObject.options[selSelectObject.selectedIndex].value != ""){
		location.href=selSelectObject.options[selSelectObject.selectedIndex].value
	}
}
<!-- End script to validate required fields -->

function AdvancedSearch (form){
	var passed = false;
	var keywords = "";
	var numItems = 5;
	for (var loop = 1; loop <= numItems; loop++){
		if (eval("form.search"+loop+".value").length > 0){
			if (keywords.length > 0){
				keywords += " ";
			}	
		keywords += eval("form.search"+loop+".value");
		}
	}	
	//alert (keywords);
	if (keywords.length < 1) {
		alert ("Please enter something to search for!");
	} else {
		form.keywords.value = keywords;
		passed = true;
	}
	return passed;
}

// detect browser & OS
var detect = navigator.userAgent.toLowerCase();

function checkIt(string){
	place = detect.indexOf(string) + 1;
	thestring = string;
	return place;
}

function checkBrowser(){

	var OS,browser,version,total,thestring;
	//alert(detect);
	
	if (checkIt('konqueror'))
	{
		browser = "Konqueror";
		OS = "Linux";
	}
	else if (checkIt('safari')) browser = "Safari"
	else if (checkIt('omniweb')) browser = "OmniWeb"
	else if (checkIt('opera')) browser = "Opera"
	else if (checkIt('webtv')) browser = "WebTV";
	else if (checkIt('icab')) browser = "iCab"
	else if (checkIt('msie')) browser = "Internet Explorer"
	else if (!checkIt('compatible'))
	{
		browser = "Netscape Navigator"
		//version = detect.charAt(8);
	}
	else browser = "An unknown browser";
	
	//if (!version) version = detect.charAt(place + thestring.length);
	
	if (!OS)
	{
		if (checkIt('linux')) OS = "Linux";
		else if (checkIt('x11')) OS = "Unix";
		else if (checkIt('mac')) OS = "Mac"
		else if (checkIt('win')) OS = "Windows"
		else OS = "an unknown operating system";
	}

	if (OS == "Windows")
	{
		return true;
	}else{
		return false;
		}
}

function openBrWindow(url,scrollbars,resizable,w,h){
		if (checkBrowser() == true){
			//alert(h);
			h = parseInt(h) + 20;
			//alert(h);
			}
	//alert(w);
	window.open(url,'','toolbar=no,location=no,status=no,menubar=no,scrollbars=' + scrollbars + ',resizable=' + resizable + ',width=' + w + ',height=' + h,'');
}

function MM_setTextOfTextfield(objName,x,newText) { //v3.0
  var obj = MM_findObj(objName); 
  if (obj) obj.value = newText;
}

// End -->

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 Style(form){
	alert(form);
	//location.replace(form);
	place = form.indexOf("|");
	alert(place);
	style = form.substring(0,place);
	alert(style);
	open = MM_openBrWindow('static/size-guide.htm','','scrollbars=yes,resizable=yes,width=450,height=450');
	return open;
}