return false;,if (document.Sform.price2.value!="" && ((document.Sform.price2.value < 0) || isNaN(document.Sform.price2.value)))

, return false;,
, {, ,
, '?id=1038694;t=130;js='+js+a+';rand='+Math.random()+, a+=';d='+(s.colorDepth?s.colorDepth:s.pixelDepth), ,