function imswapper(care){
  if(care=="sign_up"){
      document.getElementById("suml").style.background="url(../images/bm/bm_a_01.png)";
      document.getElementById("summ").style.background="url(../images/bm/bm_a_02.png)";
      document.getElementById("sumr").style.background="url(../images/bm/bm_a_03.png)";
	  }
  if(care=="sign_up_off"){
      document.getElementById("suml").style.background="url(../images/bm/bm_i_01.png)";
      document.getElementById("summ").style.background="url(../images/bm/bm_i_02.png)";
      document.getElementById("sumr").style.background="url(../images/bm/bm_i_03.png)";
	  }
	  id="lgl"
	  
  if(care=="log_in"){
      document.getElementById("lgl").style.background="url(../images/bm/bm_a_01.png)";
      document.getElementById("lgm").style.background="url(../images/bm/bm_a_02.png)";
      document.getElementById("lgr").style.background="url(../images/bm/bm_a_03.png)";
  }
  if(care=="log_in_off"){
      document.getElementById("lgl").style.background="url(../images/bm/bm_i_01.png)";
      document.getElementById("lgm").style.background="url(../images/bm/bm_i_02.png)";
      document.getElementById("lgr").style.background="url(../images/bm/bm_i_03.png)";
	  }
  if(care=="log_out"){
      document.getElementById("lgl").style.background="url(../images/bm/bm_a_01.png)";
      document.getElementById("lgm").style.background="url(../images/bm/bm_a_02.png)";
      document.getElementById("lgr").style.background="url(../images/bm/bm_a_03.png)";
  }
  if(care=="log_out_off"){
      document.getElementById("lgl").style.background="url(../images/bm/bm_i_01.png)";
      document.getElementById("lgm").style.background="url(../images/bm/bm_i_02.png)";
      document.getElementById("lgr").style.background="url(../images/bm/bm_i_03.png)";
	  }
}

function cmd(ce){
	if(ce == "sub"){document.getElementById("login").submit();}
	if(ce == "logout"){
		var hURL = unescape(window.location.pathname)+"?logout=yes";;
		window.location.href=hURL;}
}

		
/*keypress*/

function subme(e){
var keynum;

if(window.event){keynum = e.keyCode}

else if(e.which){keynum = e.which}
if(keynum==13){
	cmd("sub");
	}
}