$.fn.foucsText=function(c){var a=this;var b=(c==null)?$(a).val():c;a.val(b);a.focus(function(){if(a.val()==b){a.val("")}});a.blur(function(){if(a.val()==""){a.val(b)}});return a};	
$(document).ready(function() {
	$('#search_query_top').foucsText();		
});