function makeSlope(pic,direction,width,classA,classB,classC){

  var t = '<table width="'+width+'" height="'+width+'" cellpadding="0" cellspacing="0" border="0">';
  var tend = '</table>';
  var tr = '<tr>';
  var trend = '</tr>';
 
  var baseNumber = width - 1;
   
  document.write(t);
  
  for(var i = 0; i<width; i++){
	var decrease = baseNumber-i;
	var increase = i;
  
	document.write(tr);
	
	if(direction=='right'){
      if(i<baseNumber)writeCell(pic,classA,decrease,decrease,1);
	  writeCell(pic,classB,1,1,1);
	  if(i>0)writeCell(pic,classC,increase,increase,1);
	}
	
	if(direction=='left'){
      if(i>0)writeCell(pic,classA,increase,increase,1);
	  writeCell(pic,classB,1,1,1);
	  if(i<baseNumber)writeCell(pic,classC,decrease,decrease,1);
	}
	
	document.write(trend);
  }
  document.write(tend); 
}

//------------------------------------------------------------------

function writeCell(valueA,valueB,valueC,valueD,valueE){
 
  var tdend = '</td>'; 
  var img = '<img src="'+ valueA +'" width="1" height="1" border="0" alt="spacer">';
  
  document.write('<td class="'+ valueB +'" width="'+ valueC +'" colspan="'+ valueD +'" height="'+ valueE +'">');
  document.write(img);
  document.write(tdend);
 
}