function Updatecolorfb()
{
  var on4 = document.forms.add_on.os0;
  var on5 = document.forms.add_on.os1;

  on5.options.length = 0; // Clear the popup

  if (on4.options[on4.selectedIndex].value == "Satin")
  {
    on5.options[0] = new Option("Black","Black");
	on5.options[1] = new Option("Bordeaux","Bordeaux");
	on5.options[2] = new Option("Gold","Gold");
	on5.options[3] = new Option("Lt. Blue","Lt. Blue");
	on5.options[4] = new Option("Navy","Navy");	
	on5.options[5] = new Option("Pink","Pink");
	on5.options[6] = new Option("Purple","Purple");
    on5.options[7] = new Option("Red","Red");
    on5.options[8] = new Option("Royal Blue","Royal Blue");
    on5.options[9] = new Option("Silver","Silver");
    on5.options[10] = new Option("White","White");
  }
  else if (on4.options[on4.selectedIndex].value == "Velvet")
  {
    on5.options[0] = new Option("Burgundy","Burgundy");
    on5.options[1] = new Option("Dk. Green","Dk. Green");
    on5.options[2] = new Option("Navy Blue","Navy Blue");
	on5.options[3] = new Option("Pink","Pink");
	on5.options[4] = new Option("Red","Red");
	on5.options[5] = new Option("Royal Blue","Royal Blue");
  }
  else if (on4.options[on4.selectedIndex].value == "Lam'e")
  {
    on5.options[0] = new Option("Black","Black");
    on5.options[1] = new Option("Flames","Flames");
	on5.options[2] = new Option("Gold","Gold");
	on5.options[3] = new Option("Silver","Silver");
	on5.options[4] = new Option("Spider Web","Spider Web");
  }
    else if (on4.options[on4.selectedIndex].value == "Glistenette/Fishnet")
  {
    on5.options[0] = new Option("Classic Black Fishnet","Classic Black Fishnet");
    on5.options[1] = new Option("Classic White Fishnet","Classic White Fishnet");
	on5.options[2] = new Option("English Netting Black","English Netting Black");
	on5.options[3] = new Option("English Netting White","English Netting White");
	on5.options[4] = new Option("English Netting Heart","English Netting Heart");
	on5.options[5] = new Option("Glistenette Black","Glistenette Black");
	on5.options[6] = new Option("Glistenette Blue","Glistenette Blue");
	on5.options[7] = new Option("Glistenette Green","Glistenette Green");
	on5.options[8] = new Option("Glistenette Nude","Glistenette Nude");
    on5.options[9] = new Option("Glistenette Red","Glistenette Red");
	on5.options[10] = new Option("Glistenette White","Glistenette White");
  }
  
    else if (on4.options[on4.selectedIndex].value == "Vinyl")
  {
    on5.options[0] = new Option("Beige","Beige");
    on5.options[1] = new Option("Black","Black");
    on5.options[2] = new Option("Brown","Brown");
  }
  
    else if (on4.options[on4.selectedIndex].value == "Various_Mesh")
  {
	on5.options[0] = new Option("Sheer White Stripes","Sheer White Stripes");
	
	
	
  }
  
    else if (on4.options[on4.selectedIndex].value == "Pleather")
  {
    on5.options[0] = new Option("Black","Black");
    on5.options[1] = new Option("Red","Red");
    on5.options[2] = new Option("Silver","Silver");
  }
      else if (on4.options[on4.selectedIndex].value == "Animal_Microsuede")
  {
	on5.options[0] = new Option("Animal Print #1","Animal Print #1");
    on5.options[1] = new Option("Animal Print #2","Animal Print #2");
	 on5.options[2] = new Option("Animal Print #3","Animal Print #3");
	on5.options[3] = new Option("Animal Print #5","Animal Print #5");
	on5.options[4] = new Option("Microsuede Chocolate","Microsuede Chocolate");
	on5.options[5] = new Option("Microsuede Russet","Microsuede Russet");
	on5.options[6] = new Option("Microsuede Tobacco","Microsuede Tobacco");
	
  }
   else if (on4.options[on4.selectedIndex].value =="")
  {
   on5.options[0] = new Option("Choose fabric first");
  }

} 

function enableField()
{
document.add_on.os0.disabled=false;
document.add_on.os1.disabled=false;
}