function validateSearchForm(f,invalidClass){if(f){if(f.elements['price_from'].value||f.elements['price_to'].value||f.elements['width_from'].value||f.elements['width_to'].value||f.elements['height_from'].value||f.elements['height_to'].value){return(f.getElementsByClassName(invalidClass).length?false:true);}else{return false;}}else{return false;}}
function validateIntField(tf){tf.value=tf.value.replace(/\s/g,'');if(tf.tagName=="INPUT"&&tf.value){var v=parseInt(tf.value);if(isNaN(v)){tf.className="tfInvalid";return false;}tf.value=v;tf.className="tfValid";return true;}return false;}
function validateFloatField(tf){tf.value=tf.value.replace(/\s/g,'').replace(/\,/g,'\.');if(tf.tagName=="INPUT"&&tf.value){var v=parseFloat(tf.value);if(isNaN(v)){tf.className="tfInvalid";return false;}tf.value=v;tf.className="tfValid";return true;}return false;}