function display_trade_type_help() {
	var ret=window.open( "/axl-dlls/publish?url=/html/ir/tradehelp_common.html&bgcol=5A92CE", "TradeTypeHelp", "menubar=no,scrollbars=yes,resizable=yes,height=600,width=500" );
	ret.focus();
	return false;
}

function displayShareValue() {

	userShareCount=document.sharePriceCalculator.sharesOwned.value;

	var okChars=".0123456789";

	for(f=0;f<=userShareCount.length;f++) {
		foundThis=false;
		for(g=0;g<=okChars.length;g++) {
			if(userShareCount.charAt(f)==okChars.charAt(g)) {
				foundThis=true;
				f++;
			}
		}
	}

	if(foundThis==false) {
		alert("Invalid characters entered, please only use characters from this list - '"+okChars+"'.");
	} else {

		opVal=parseFloat((parseFloat(thisStockPrice)*parseFloat(userShareCount))/100);

		opString=""+opVal;
		locDot=opString.indexOf(".");

		if(locDot!=-1) {
			output=opString.substring(0,locDot)+opString.substring(locDot,locDot+3);
		} else {
			output=opString+".00";
		}

		if(opString.length<=locDot+2) {
			output=opString+"0";
		}

		if(isNaN(opVal)) {
			alert("Invalid characters entered, please only use characters from this list - '"+okChars+"'.");
		} else {
			content="Your holding is currently worth £"+output;
			document.sharePriceCalculator.results.value=content;
		}
	}
}

function sanitisePrice(price) {
	locBracket=price.indexOf("(");
	if(locBracket==-1) { sanePrice=price } else {
		sanePrice=price.substring(0,locBracket);
	}
	return sanePrice;
}

function op(what) {
	document.write(what);
}

function addCommas(what) {
  var nregExp=new RegExp('(-?[0-9]+)([0-9]{3})');
    while(nregExp.test(what)) {
       what=String(what).replace(nregExp, '$1,$2');
    }
  return what;
}

function toFixed(what) {
        output="";
        thing=""+what;
        loc_dot=thing.indexOf(".");
        if(loc_dot!=-1) { output=thing.substring(0,loc_dot+5); }
        else { output=what; }
        return output;
}