function randomImg(span,name,w,h) 
{
randnum = Math.floor(Math.random() * span);			
document.write("<IMG SRC=\"images/"+name+randnum+".gif\"NAME="+name+" BORDER=0 WIDTH="+w+" HEIGHT="+h+">");
}


function form_eval() 
{
	var bus_name = document.login.bus_name.value;
    var fname = document.login.fname.value;
	var lname = document.login.lname.value;
    var address = document.login.address.value;
    var city = document.login.city.value;
	var state = document.login.state.value;
	var zip = document.login.zip.value;
	var mail = document.login.mail.value;
	var password = document.login.password.value;
	var passcheck = document.login.passcheck.value;
	var STRING = "";
	var good_to_go = true;

   if(navigator.appName == "Netscape") 
   {	
		STRING +="These fields need attention:\n";
	    if(bus_name == "") { STRING +="Company Name, "; good_to_go = false;}
        if(fname == "") { STRING +="First Name, "; good_to_go = false;}
        if(lname == "") { STRING +="Last Name, "; good_to_go = false;}
		if(address == "") {STRING+="Address, "; good_to_go = false;}
        if(city == "") {STRING+="City, "; good_to_go = false;}
		STRING +="\n";
        if(state == "") {STRING+="State, "; good_to_go = false;}
        if(zip == "" || zip.length < 5){ STRING+="Zip Code (5 digits), "; good_to_go = false;} 
		if(mail.match(/\@/g) == null || mail.length < 7){STRING+="Email, "; good_to_go = false;}
   		if(password == "") {STRING+="password, "; good_to_go = false;}
		if(passcheck == "") {STRING+="passcheck "; good_to_go = false;}
		if( (password!= "" )&&(passcheck != "")&&(password != passcheck) ){STRING +="\nYour Passwords Do Not Match!"; good_to_go = false;}
	}
	
	else 
	{
		if( (password!= "" )&&(passcheck != "")&&(password != passcheck) )
		{ 
		STRING +="Your Passwords Do Not Match!\n";
		Input_check(login.password,1); 
		Input_check(login.passcheck,1); 
		good_to_go = false;}
	
		if(bus_name == "") { Input_check(login.bus_name,1); good_to_go = false;}
		if(fname == "") { Input_check(login.fname,1); good_to_go = false;}
        if(lname == "") { Input_check(login.lname,1); good_to_go = false;}
		if(address == "") {Input_check(login.address,1); good_to_go = false;}
        if(city == "") {Input_check(login.city,1); good_to_go = false;}
        if(state == "") {Input_check(login.state,1); good_to_go = false;}
        
		if(zip == "" || zip.length < 5)
			{
			Input_check(login.zip,1); good_to_go = false;
			STRING+="Make sure you have a 5 digit zip code.\n";
			}
		
		if(mail.match(/\@/g) == null || mail.length < 7)
			{
			Input_check(login.mail,1); good_to_go = false;
			STRING+="Make sure your email address is correct.\n";
			}
		
        if(password == "") { Input_check(login.password,1); good_to_go = false;}
	    if(passcheck == "") { Input_check(login.passcheck,1); good_to_go = false;}
	
	STRING+="The fields highlighted in yellow need your attention!\n";
	}

	if(good_to_go == false) 
	{ alert(STRING);}
	else{ document.login.submit();}	
	
}


function returnuser_eval() 
{
	var login = document.returnuser.login.value;
    var passwd = document.returnuser.passwd.value;
	var STRING = "";
	var good_to_go = true;

	if(navigator.appName == "Netscape") 
    {	
	    if(login == "") 
			{ STRING +="Enter your email address\n"; good_to_go = false;}		
		if( (login != "")&&(login.match(/\@/g) == null || login.length < 7) )
			{STRING+="Make sure your email address is correct!\n"; good_to_go = false;}
		if(passwd == "") 
			{ STRING +="Enter your password"; good_to_go = false;}		
	}
	
	else 
	{	
		if(login == "") 
			{Input_check(returnuser.login,1); good_to_go = false; STRING+="Enter your email address\n"; }	
		if( (login != "")&&(login.match(/\@/g) == null || login.length < 7) )
			{Input_check(returnuser.login,1); good_to_go = false; STRING+="Make sure your email address is correct!\n"; }	
		if(passwd == "") 
			{Input_check(returnuser.passwd,1); good_to_go = false; STRING+="Enter your password\n"; }
	}

	if(good_to_go == false) 
	{ alert(STRING);}
	else{ document.returnuser.submit();}	
}


function edituser_eval() 
{
	var login = document.edituser.login.value;
    var passwd = document.edituser.passwd.value;
	var STRING = "";
	var good_to_go = true;

	if(navigator.appName == "Netscape") 
    {	
	    if(login == "") 
			{STRING +="Enter your email address\n"; good_to_go = false;}		
		if( (login != "")&&(login.match(/\@/g) == null || login.length < 7) )
			{STRING+="Make sure your email address is correct!\n"; good_to_go = false;}
		if(passwd == "") 
			{STRING +="Enter your password"; good_to_go = false;}		
	}
	
	else 
	{	
		if(login == "") 
			{ Input_check(edituser.login,1); good_to_go = false; STRING+="Enter your email address\n"; }	
		if( (login != "")&&(login.match(/\@/g) == null || login.length < 7) )
			{ Input_check(edituser.login,1); good_to_go = false; STRING+="Make sure your email address is correct!\n"; }	
		if(passwd == "") 
			{ Input_check(edituser.passwd,1); good_to_go = false; STRING+="Enter your password\n"; }
	}

	if(good_to_go == false) 
	{ alert(STRING);}
	else{ document.edituser.submit();}	
}


function newpassword_eval() 
{
	var login = document.newpassword.login.value;
	var STRING = "";
	var good_to_go = true;

	if(navigator.appName == "Netscape") 
    {	
	    if(login == "") 
			{ STRING +="Enter your email address\n"; good_to_go = false;}		
		if( (login != "")&&(login.match(/\@/g) == null || login.length < 7) )
			{STRING+="Make sure your email address is correct!\n"; good_to_go = false;}
	}
	
	else 
	{	
		if(login == "") 
			{ Input_check(newpassword.login,1); good_to_go = false; STRING+="Enter your email address\n"; }	
		if( (login != "")&&(login.match(/\@/g) == null || login.length < 7) )
			{ Input_check(newpassword.login,1); good_to_go = false; STRING+="Make sure your email address is correct!\n"; }	
	}

	if(good_to_go == false) 
	{ alert(STRING);}
	else{ document.newpassword.submit();}	
}


function Input_check(Ob,go) 
{
	var input_name = Ob;
	var value = go;
	if(navigator.appName == "Netscape") { return;}
	
	if(value == 1 ) 
	{ input_name.style.background = "#FFFF00";}
	else 
	{ input_name.style.background = "#FFFFFF"; }
}