//--------------------------------------------------------------------------------
	//
	//--------------------------------------------------------------------------------
	function ToLong(sVal)
		{
		var str = new String(sVal);
		if (parseFloat("0,1") == 0)
			{
			return (parseInt(str.replace(',','.')));
			}
		else
			{
			return (parseInt(str.replace('.',',')));
			}
		}


function bboxWidth(bbox)
	{
	var v=bbox.split(",")
	if (v.length==4)
		{
		var x1=ToLong(v[0]);
		var x2=ToLong(v[2]);
		return(Math.abs(x2-x1));		
		}
	return(0);
	}


function format_number(p,d) 
{
  var r;
  if(p<0){p=-p;r=format_number2(p,d);r="-"+r;}
  else   {r=format_number2(p,d);}
  return r;
}
function format_number2(pnumber,decimals) 
{
  var strNumber = new String(pnumber);
  var arrParts = strNumber.split('.');
  var intWholePart = parseInt(arrParts[0],10);
  var strResult = '';
  if (isNaN(intWholePart))
    intWholePart = '0';
  if(arrParts.length > 1)
  {
    var decDecimalPart = new String(arrParts[1]);
    var i = 0;
    var intZeroCount = 0;
     while ( i < String(arrParts[1]).length )
     {
       if( parseInt(String(arrParts[1]).charAt(i),10) == 0 )
       {
         intZeroCount += 1;
         i += 1;
       }
       else
         break;
    }
    decDecimalPart = parseInt(decDecimalPart,10)/Math.pow(10,parseInt(decDecimalPart.length-decimals-1)); 
    Math.round(decDecimalPart); 
    decDecimalPart = parseInt(decDecimalPart)/10; 
    decDecimalPart = Math.round(decDecimalPart); 

   //If the number was rounded up from 9 to 10, and it was for 1 'decimal' 
   //then we need to add 1 to the 'intWholePart' and set the decDecimalPart to 0. 

    if(decDecimalPart==Math.pow(10, parseInt(decimals)))
    { 
      intWholePart+=1; 
      decDecimalPart="0"; 
    } 
    var stringOfZeros = new String('');
    i=0;
    if( decDecimalPart > 0 )
    {
      while( i < intZeroCount)
      {
        stringOfZeros += '0';
        i += 1;
      }
    }
    decDecimalPart = String(intWholePart) + "." + stringOfZeros + String(decDecimalPart); 
    var dot = decDecimalPart.indexOf('.');
    if(dot == -1)
    {
      decDecimalPart += '.'; 
      dot = decDecimalPart.indexOf('.'); 
    } 
    var l=parseInt(dot)+parseInt(decimals); 
    while(decDecimalPart.length <= l) 
    {
      decDecimalPart += '0'; 
    }
    strResult = decDecimalPart;
  }
  else
  {
    var dot; 
    var decDecimalPart = new String(intWholePart); 

    decDecimalPart += '.'; 
    dot = decDecimalPart.indexOf('.'); 
    var l=parseInt(dot)+parseInt(decimals); 
    while(decDecimalPart.length <= l) 
    {
      decDecimalPart += '0'; 
    }
    strResult = decDecimalPart;
  }
  return strResult;
}


	// --------------------------------------------------------------------------------------------
	//	
	// --------------------------------------------------------------------------------------------
	function GetX(aPts,n)
		{
		return ToDouble(aPts[1+(n*2)]);
		}
	// --------------------------------------------------------------------------------------------
	//	
	// --------------------------------------------------------------------------------------------
	function GetY(aPts,n)
		{
		return ToDouble(aPts[2+(n*2)]);
		}