function setUp() {
				
				
				 var animalList=document.getElementById('animal_type');
				 var breedList=document.getElementById('breeds');
				 var weightList=document.getElementById('weights');
				 var colourList=document.getElementById('colours');
				 
				     			   // Clear out the list of Ranges
				ClearOptions(breedList);
				   
				AddToOptionList(breedList, "all", "All Available");   
				
				
				
				
				
				
				ClearOptions(weightList);
				   
				AddToOptionList(weightList, "all", "All Available");   
				
				
				AddToOptionList(weightList, "1", "Under 5Kg");
				
				AddToOptionList(weightList, "2", "5-10Kg");
				
				AddToOptionList(weightList, "3", "10-20Kg");
				
				AddToOptionList(weightList, "4", "20+Kg");
				
				
				
				ClearOptions(colourList);
				   
				AddToOptionList(colourList, "all", "All Available");   
				
				
				
				
				
}

function ClearOptions(OptionList) {
				
				   // Always clear an option list from the last entry to the first
				   for (x = OptionList.length; x >= 0; x = x - 1) {
				      OptionList[x] = null;
				   }
				}


function AddToOptionList(OptionList, OptionValue, OptionText) {
   // Add option to the bottom of the list
   OptionList[OptionList.length] = new Option(OptionText, OptionValue);
}