<!-- hide script from old browsers
  function checkReplacementDropSubmit() {
      if(document.frmRepParts.year.value != "Select Year" && document.frmRepParts.makeID.value != "Select Make") {
	     document.frmRepParts.submit();
	  }
	  return false;
  }
  
  function checkReplacementFormSubmit() {
      if(document.frmRepParts.year.value == "Select Year" || document.frmRepParts.makeID.value == "Select Make") {
	     alert("Please select your make and year to continue!");
	     return false;
	  }
  }
   function checkReplacementDropSubmit2() {
      if(document.frmPerParts.year.value != "Select Year" && document.frmPerParts.makeID.value != "Select Model") {
	     document.frmPerParts.submit();
	  }
	  return false;
  }
  
  function checkReplacementFormSubmit2() {
      if(document.frmPerParts.year.value == "Select Year" || document.frmPerParts.makeID.value == "Select Model") {
	     alert("Please select your make and model to continue!");
	     return false;
	  }
  }
  
  function checkBrandSubmit2() {
      if(document.brandDrop.brand.value == "") {
	     alert("Please select a brand to continue!");
	     return false;
	  } else {
	   document.brandDrop.submit();
	  }
}   

// add the trim function for Javascript
String.prototype.trim = function()
{
	return this.replace( /^\s+|\s+$/g, "" );
}

function checkMakeModel() {
       if(document.make_model.makeid.value == "" || document.make_model.model.value == "") {
	     alert("Please select your make and model to continue!");
	     return false;
	  } else {
	   document.make_model.submit();
	  }
  }
  

function checkMakeSubmit() {
      if(document.make_model.makeid.value == "") {
	     alert("Please select your make to continue!");
	     return false;
	  } else {
	   document.make_model.submit();
	  }
}

function checkModelSubmit() {
      if(document.make_model.model.value == "") {
	     alert("Please select your model to continue!");
	     return false;
	  } else {
	   document.make_model.submit();
	  }
}
 
 
function checkBrandSubmit() {
      if(document.brand.brand.value == "") {
	     alert("Please select a brand to continue!");
	     return false;
	  } else {
	   document.brand.submit();
	  }
} 
 
function checkPartSubmit() {
	 document.part.part_number.value = document.part.part_number.value.trim();
      if(document.part.part_number.value.trim() == "") {
	     alert("Please enter in a part number!");
	     return false;
	  } else {
	   document.part.submit();
	  }
}  


function checkPartSubmit2() {
	 document.search.product.value = document.search.product.value.trim();
      if(document.search.product.value.trim() == "") {
	     alert("Please enter in a part number!");
	     return false;
	  } else {
	   document.search.submit();
	  }
}  

function checkPartSubmit3() {
	 document.search2.part_number.value = document.search2.part_number.value.trim();
      if(document.search2.part_number.value.trim() == "") {
	     alert("Please enter in a part number!");
	     return false;
	  } else {
	   document.search2.submit();
	  }
}  

 // end hiding script from old browsers -->