function styleswap(thisid,thisclass)
{
	//alert("swapping:" + thisid + " to " + thisclass)
	document.getElementById(thisid).className=thisclass;
}

var nlbFade_hextable = [ '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F' ]; // used for RGB to Hex and Hex to RGB conversions
var nlbFade_elemTable = new Array( ); // global array to keep track of faded elements
var nlbFade_t = new Array( ); // global array to keep track of fading timers
function fade( elementId, startBgColor, endBgColor, fadeTime )
{
	var timeBetweenSteps = Math.round( Math.max( fadeTime / 300, 30 ) );
	var nlbFade_elemTableId = nlbFade_elemTable.indexOf( elementId );
	if( nlbFade_elemTableId > -1 )
	{
		for( var i = 0; i < nlbFade_t[nlbFade_elemTableId].length; i++ )
			clearTimeout( nlbFade_t[nlbFade_elemTableId][i] );
	}
	else
	{
		nlbFade_elemTable.push( elementId );
		nlbFade_elemTableId = nlbFade_elemTable.indexOf( elementId );
	}
	var startBgColorRGB = hexToRGB( startBgColor );
	var endBgColorRGB = hexToRGB( endBgColor );
	var diffRGB = new Array( );
	for( var i = 0; i < 3; i++ )
		diffRGB[i] = endBgColorRGB[i] - startBgColorRGB[i];
	var steps = Math.ceil( fadeTime / timeBetweenSteps );
	var nlbFade_s = new Array( );
	for( var i = 1; i <= steps; i++ )
	{
		var changes = new Array( );
		for( var j = 0; j < diffRGB.length; j++ )
			changes[j] = startBgColorRGB[j] + Math.round( ( diffRGB[j] / steps ) * i );
		if( i == steps )
			nlbFade_s[i - 1] = setTimeout( 'document.getElementById("'+elementId+'").style.backgroundColor = "'+endBgColor+'";', timeBetweenSteps*(i-1) );
		else
			nlbFade_s[i - 1] = setTimeout( 'document.getElementById("'+elementId+'").style.backgroundColor = "'+RGBToHex( changes )+'";', timeBetweenSteps*(i-1) );
	}
	nlbFade_t[nlbFade_elemTableId] = nlbFade_s;
}


function writetopage(whatdiv,writethis)
	{
  	writethis = writethis.replace(/~/g, '"');
  	tothis = whatdiv;
		if (document.getElementById(tothis))
		{
  	document.getElementById(tothis).innerHTML = writethis;
		}
		else
		{
		alert("element "+tothis+" not found!")
		}
	}
	
function showdiv(thisdiv,showhide)
{
	if (showhide != null && showhide != "")
	{
	//	alert(thisdiv + " - " + showhide)
		document.getElementById(thisdiv).style.display = showhide
	}
	else
	{
  	if (document.getElementById(thisdiv).style.display == "block")
  	{
//  	alert("showing")
  		document.getElementById(thisdiv).style.display = "none"
  	}
  	else
  	{	
  		document.getElementById(thisdiv).style.display = "block"
  	}
	}

}
	
function emptyfield (doingthis, fieldname,defaultvalue)
{

if (doingthis == "blur")
{
	if (document.getElementById(fieldname).value == "")
	{
		document.getElementById(fieldname).value = defaultvalue
	}
}
else
{
	if (document.getElementById(fieldname).value == defaultvalue)
	{
		document.getElementById(fieldname).value = ""
	}
}

}
	
function formatCurrency(num) {
  num = num.toString();
  if(isNaN(num))
  num = "0";
  sign = (num == (num = Math.abs(num)));
  num = Math.floor(num*100+0.50000000001);
  cents = num%100;
  num = Math.floor(num/100).toString();
  if(cents<10)
  cents = "0" + cents;
  for (var i = 0; i < Math.floor((num.length-(1+i))/3); i++)
  num = num.substring(0,num.length-(4*i+3))+','+
  num.substring(num.length-(4*i+3));
  return (((sign)?'':'-') + '&pound;' + num + '.' + cents);
  }

	function changeimg(thisimage,tothis)
  {
  	document.getElementById(thisimage).src=tothis
  }
	
function urlencode(str) {
str = escape(str);
str = str.replace('+', '%2B');
str = str.replace('%20', '+');
str = str.replace('*', '%2A');
str = str.replace('/', '%2F');
str = str.replace('@', '%40');
return str;
}

function urldecode(str) {
str = str.replace('+', ' ');
str = unescape(str);
return str;
}




	function check_tick(dothis,savewhat,saveid,tickon, tickoff)
{
 
 if (document.getElementById(savewhat).checked)
 {
 	savethis = "true"
 }
 else
 {
 	savethis = "false"
 }
	
	if (document.getElementById(savewhat).checked)
	{
		ajaxDothis(dothis,savewhat,saveid,savethis)
	}
	else
	{
		ajaxDothis(dothis,savewhat,saveid,savethis)
	}

}
	
	function ajax(dothis,variables,other)
  {
	
	//alert("dothis: " +dothis + "; savewhat: "+savewhat+"; saveid:" + saveid + "; savethis: " +savethis)
	
	var xmlHttp;
  try
    {    // Firefox, Opera 8.0+, Safari    
				xmlHttp=new XMLHttpRequest();    }
  catch (e)
    {   
		 // Internet Explorer  
		try
      {      xmlHttp=new ActiveXObject("Msxml2.XMLHTTP"); 
				}
    catch (e)
      { 
				try
        {        xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
						}
      catch (e)
        {        alert("Your browser does not support AJAX!");
						        return false;
						}
			  }
		}
		
    xmlHttp.onreadystatechange=function()
      {
      if(xmlHttp.readyState==4)
        {
							var result = xmlHttp.responseText
							
				//		alert(result)
//							document.write(result)
  					eval(result)
        }
  			}
				//alert("savethis: "+savethis)
		//alert("ajax.asp?dothis="+dothis+"&savewhat="+savewhat+"&saveid="+saveid+"&savethis="+savethis)
				
  xmlHttp.open("GET","ajax.asp?dothis="+dothis+"&"+variables+"&other="+other,true);
	xmlHttp.send(null);  
}