// Ask javascript file

function filter() {
    document.forms[0].submit();
}

/* new on mouse over function */
function over (obj){
	obj.className=obj.className+'_over';
}

/* new on mouse out function */
function out (obj){
	var str=obj.className;
	var pos=str.indexOf("_over")
	obj.className=str.substr(0,pos);
}