function setParentCatId(){
	  var index = document.giftSelector.productType.selectedIndex;
	  var value = document.giftSelector.productType.options[index].value;
	  document.giftSelector.pCatId.value=value;
	  document.giftSelector.subCatId.value="-1";
	  document.giftSelector.priceRange.value="-1";
	  document.giftSelector.submit();
 }
 function setSubCatId(){
	  var parentCatIdIndex = document.giftSelector.productType.selectedIndex;
	  var materialcatIdIndex = document.giftSelector.materialType.selectedIndex;
	  var parentCatIdValue = document.giftSelector.productType.options[parentCatIdIndex].value;
	  var subCatIdValue = document.giftSelector.materialType.options[materialcatIdIndex].value;
	  document.giftSelector.pCatId.value=parentCatIdValue;
	  document.giftSelector.subCatId.value=subCatIdValue;
	  //document.giftSelector.priceRange.value="-1";
	  document.giftSelector.submit();
 }

 function submit(){
	  var category = document.giftSelector.productType.selectedIndex;
	  var material = document.giftSelector.materialType.selectedIndex;
	  var catValue = document.giftSelector.productType.options[category].value;
	  var materialValue = document.giftSelector.materialType.options[material].value;

	  if((catValue>0)&&(materialValue<0)){
			document.giftSelector.priceRange.value="-1";
			document.giftSelector.subCatId.value="-1";
			//alert("catValue=" + catValue + " materialvalue=" + materialValue);
			document.giftSelector.haveError.value = "true";
	  }else if(catValue < 0){
		   document.giftSelector.priceRange.value="-1";
			document.giftSelector.subCatId.value="-1";
			document.giftSelector.pCatId.value="-1";
	  }
	  document.giftSelector.submit();
 }