function sub_menu(xx)

{

  for(var i=1;i<5;i++)

  {

    document.getElementById("smenu_"+i).className = "txt11b"; 

	document.getElementById("au_body_"+i).style.display = "none"; 

  }  

   document.getElementById("smenu_"+xx).className = "txt13b"; 

   document.getElementById("au_body_"+xx).style.display = "block"; 



}

function open_image(url)

{

   open("view_image.php?img="+url);

}

function sub_sub_menu(n){

  for(var i=1;i<4;i++)

  {//sm_1 m1_s1

    document.getElementById("sm_"+i).src = "images/bm_what"+i+"_0.gif"; //images/bm_about2_0.gif

	document.getElementById("m1_s"+i).style.display = "none"; 

    document.getElementById("sm_"+i).className = "mano"; 

  } 

    document.getElementById("sm_"+n).src = "images/bm_what"+n+"_1.gif"; //images/bm_about2_0.gif

	document.getElementById("m1_s"+n).style.display = "block"; 

    document.getElementById("sm_"+n).className = "sinmano"; 	

  

}

function mailEnvia(){

 var OK = true;
 if (document.getElementById('name').value==""){
    alert("Please Type your Name!");
	document.getElementById('name').focus();
    OK = false;
 }
 if(OK)
 {
	 if (document.getElementById('mail').value==""){
	   alert("Please Type your Email!");
	   document.getElementById('mail').focus();
	   OK = false;
	 }
 }
  if (OK)
  {
    document.mailform.submit();
  }

}