function focusStockSearch(js_action) {
		
	if (js_action == "focus") {
		
		document.getElementById("search_stock").value = "";
		
	} else if (js_action == "blur") {
		var stock_value = document.getElementById("search_stock").value;
		if (stock_value.toString() == "") { document.getElementById("search_stock").value = "Stock Number"; }
		
	}
}