function doAdvancedSearch(base_index_url){
		var base_url = base_index_url;
		var search_value = document.search_form.searchField.value;
		if(search_value.replace(/^\s+|\s+$/g,"").replace(/^\s+/,"").length)
			searchInvalidChars(search_value) ? document.location = base_url + "/advanced_search/search/split_search/1/part_num_and_description/" + search_value : function(){}()	;
			return false;
	} 
	
	function enterAdvancedPressed(e, base_index_url){
		var keynum;
		if(window.event){
			keynum = e.keyCode;
		}
		else if(e.which){
			keynum = e.which;
		}
	
		if(keynum == 13){
			doAdvancedSearch(base_index_url);
			return false;
		}
		else{
			return true;
		}
	}