function quicklybuy(){
	var cproid = $("select[name=cgserver]").val();
	var cbank = $("select[name=cbank]").val();
	var cnum = $("input[name=cnum]").val();
	location.href  = urlpath+"/buy/"+cproid+"/"+cbank+"/"+cnum;
}
var flag=false;
function limitImage(ImgD){
    var areaWidth = 680;
    var areaHeight = 400;
    var image=new Image();
    image.src=ImgD.src;
    if(image.width>0 && image.height>0){
        flag=true;
        if(image.width/image.height>= areaWidth/areaHeight){
            if(image.width>areaWidth){
                ImgD.width=areaWidth;
                ImgD.height=(image.height*areaWidth)/image.width;
            }else{
                ImgD.width=image.width;
                ImgD.height=image.height;
            }
            ImgD.alt=image.width+"x"+image.height;
        }else{
            if(image.height>areaHeight){
                ImgD.height=areaHeight;
                ImgD.width=(image.width*areaHeight)/image.height;
            }else{
                ImgD.width=image.width;
                ImgD.height=image.height;
            }
            ImgD.alt=image.width+"x"+image.height;
        }
    }
}