function ExplorerFix() {
	for (a in document.links) document.links[a].onfocus = document.links[a].blur;
}

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

function MM_jumpMenu(targ,selObj,restore){
  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex=0;
}

function writeDate() {
  var isNetscape = (navigator.appName.substring(0,8) == "Netscape") ? true : false;
  var today = new Date();
  var day = today.getDate();
  var year = today.getYear();
  var endDay = "th";
  var arrDayofWeek = new Array("Sunday","Monday","Tuesday","Wednesday","Thursday","Friday","Saturday");
  var arrMonthNames = new Array("January","February","March","April","May","June","July","August","September","October","November","December");
  
  if (isNetscape) {year = (year - 1) + 1901;}
  if ((day == "1") || (day == "21") || (day == "31")) {endDay = "st";}
  if ((day == "2") || (day == "22")) {endDay = "nd";}
  if ((day == "3") || (day == "23")) {endDay = "rd";}
  document.write(arrDayofWeek[today.getDay()] + " " + day + endDay + " " + arrMonthNames[today.getMonth()] + " " + year);
}

function v_number(number){
                    	var digits="0123456789.£";
                    	if (number=="£") {return false;}
                    	if (number.length==0) {return false;}
                    	for (var i=0;i<number.length;i++){if (digits.indexOf(number.substring(i,i+1))==-1 && number.substring(i,i+1)!="."){return false;}}
                    	if (number<0) {return false;}
                    	return true;
                    }
                    
                    function formatCurrency(number){
                    
                      number = Math.round(number*100)/100;
                    
                    	var decimalPos;
                    	var string = number.toString();
                    	var zerostring = "";
                    	
                    	decimalPos = string.indexOf(".");
                    	
                    	if (decimalPos != -1) {
                    	  if (string.charAt(decimalPos+2) == "") {
                      	  zerostring = "0";
                      	}
                    	} else {
                    	  zerostring = ".00";
                    	}
                    	
                    	return("£" + number + zerostring);
                    
                    }
                    
                    function calculateMillion(){
                    
                    
                    	var frm=document.millioncalc;
                    	var s=frm.start_figure.value;
                    	var d=frm.month_deposit.value;
                    	var r=frm.avg_interest.value;
                    	var f=frm.avg_inflation.value;
                    	var t=frm.final_figure.value;
                                       		
                    	
                      var i=0;
                      var h=0;
                      var x=0;
                    	var n=0;
                    	var y=0;
                    	var p=0;
                    	
                    	
                    	var errorMessage="";
                    	
                    	if (!v_number(s)) {errorMessage+="Starting figure,\n";}
                    	if (!v_number(d)) {errorMessage+="Monthly deposit,\n";}
                    	if (!v_number(r)) {errorMessage+="Average annual interest rate,\n";}
                    	if (!v_number(f)) {errorMessage+="Average annual inflation rate,\n";}
                    	if (!v_number(t)) {errorMessage+="Final figure desired,\n";}
                    	

                    	if (errorMessage.length!=0) {alert("The following entries are incorrect:\n\n"+errorMessage+"\nPlease correct these entries and\ntry again.");return false;}
                    	
                    	if (s.substring(0,1)=="£") {s=s.substring(1);}
                    	if (d.substring(0,1)=="£") {d=d.substring(1);}
                    	if (t.substring(0,1)=="£") {t=t.substring(1);}

                    	s = parseInt(s);
                    	t = parseInt(t);
                    	f = parseInt(f);
                    	y = parseInt(y);                    	
                    	
                      r = ( r/100 );
                      f = ( f/100 );
                      
                    	i = ( r/12 );
                    	h = ( d/i );
                    	x = ( ( t+h ) / ( s+h ));
                    	n = ( ( Math.log(x) ) / ( Math.log(1+i) ) );
                    	y = ( n/12 );
                    	p = ( t / ( Math.pow((1+f),y) ) );
                    	
                    	
                    	frm.output_years.value=Math.round(y*10)/10+" years";
                    	frm.output_value.value=formatCurrency(p);
                    	
                    	return false;
                    }