var about_us_model  = 1;
var about_us_counts = 5;

function about_us_main(){
	
  switch(about_us_model){
	  case 1:
	     SendUrl = _Web_Url + "/index.php/M_model/M_common/about/";
	  	 break;
  }
  $.ajax({
	  type: "POST",
	  dataType:'json',
	  url: SendUrl,
	  success: function(data){
		 if (about_us_counts!=data.count){
			 loading_about_gif();
		  	$('#about_us_contents').html(data.HTML);
		 }
		 about_us_counts = data.count;
	  }
  });
}
function about_us_clock(){
	setTimeout("about_us_clock()",5000);
	about_us_main();
}

function load_about_us(model){
	try{
		loading_about_gif();
		tmp             = document.getElementById('about_us_contents').id;
		about_us_model  = model;
		about_us_clock();
	}catch(error){}
}

function loading_about_gif(){
	$('#about_us_contents').html("<div style=\"width:100%\" align=\"center\"><img src=\""+_Web_Url+"/images/loading.gif\"/></div>");
}