//author:350am 350am@163.com 2008-08
function SefOnSubmit(form) {
	if (form.keyword.value == '') {
		alert('请输入关键字');
		return false;
	}
	if (form.keyword.value == '产品搜索测温仪') {
		alert('请输入关键字');
		return false;
	}
	return true;
}

function LimitImgSize(Obj,ImgW,ImgH,SetW) {
	if (Obj.value!="") {
		if (ImgW>SetW) {
			rat		= ImgW/SetW;
			ImgH	= ImgH/rat;
			ImgW	= SetW;
		}
		Obj.width	= ImgW;
		Obj.height	= ImgH;
	}
}