//author:350am 350am@163.com 2008-08
function SefOnSubmit(form) {
	if (form.keyword.value == '') {
		alert('Please Enter Keyword!');
		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;
	}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}
function MM_showHideLayers() { //v6.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
    obj.visibility=v; }
}