function login_show1(){
	var _f1 = document.getElementById("m-login-1");
	var _f2 = document.getElementById("m-login-2");
	var _f3 = document.getElementById("m-login-3");
	var _f4 = document.getElementById("m-login-4");	
    if ((_f1 != '') && (_f2 != '') && (_f3 != '') && (_f4!= '')){
		_f1.style.display="inline";
		_f2.style.display="none";
		_f3.style.display="none";  
		_f4.style.display="none";  
	}
}

function login_show2(){
	var _f1 = document.getElementById("m-login-1");
	var _f2 = document.getElementById("m-login-2");
	var _f3 = document.getElementById("m-login-3");
	var _f4 = document.getElementById("m-login-4");	
    if ((_f1 != '') && (_f2 != '') && (_f3 != '') && (_f4!= '')){
		_f1.style.display="none";
		_f2.style.display="inline";
		_f3.style.display="none";  
		_f4.style.display="none";     
	}
}

function login_show3(){
	var _f1 = document.getElementById("m-login-1");
	var _f2 = document.getElementById("m-login-2");
	var _f3 = document.getElementById("m-login-3");
	var _f4 = document.getElementById("m-login-4");	
    
    if ((_f1 != '') && (_f2 != '') && (_f3 != '') && (_f4!= '')){
		_f1.style.display="none";
		_f2.style.display="none";
		_f3.style.display="inline";  
		_f4.style.display="none";     
	}
}

function login_show4(){
	var _f1 = document.getElementById("m-login-1");
	var _f2 = document.getElementById("m-login-2");
	var _f3 = document.getElementById("m-login-3");
	var _f4 = document.getElementById("m-login-4");	
    
    if ((_f1 != '') && (_f2 != '') && (_f3 != '') && (_f4!= '')){
		_f1.style.display="none";
		_f2.style.display="none";
		_f3.style.display="none";    
		_f4.style.display="inline";  
	}
}