download file using jquery

jQuery.download.js

jQuery.download = function(url, data, method){
	if( url && data ){ 
		data = typeof data == 'string' ? data : jQuery.param(data);
		//split params into form inputs
		var inputs = '';
		jQuery.each(data.split('&'), function(){ 
			var pair = this.split('=');
			inputs+='<input type="hidden" name="'+ pair[0] +'" value="'+ pair[1] +'" />'; 
		});
		//send request
		jQuery('<form action="'+ url +'" method="'+ (method||'post') +'">'+inputs+'</form>')
		.appendTo('body').submit().remove();
	};
};

// how to use
$("#exportbtn").click(function(){
	$.download(prefix+"/export.html", getparams(), "get");
});