String.prototype.normalize = function(){
	return this.replace(/\s+/g, " ");
};

String.prototype.trim=function(){
    return this.replace(/^\s*|\s*$/g,'');
}

function MM_preloadImages() { //v3.0

 var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();

   var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)

   if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}

}


function check_email_fill(field, mode)
{
	if (mode == 'on' && field.value.trim() == 'enter email address')
		field.value = '';
	else if (mode == 'off' && field.value.trim() == '')
		field.value = 'enter email address';	
}

function swap_sub_nav(link)
{
	var i = 1;
	while (document.getElementById('sub_nav_links_' + i))
	{
		var temp_div = document.getElementById('sub_nav_links_' + i);
		if (link == i)
			temp_div.style.display = '';
		else
			temp_div.style.display = 'none';
		i++;	
	}	
}

function swap_state(state)
{
	swap_rep_region(0);
	var us = document.getElementById('rep_country_0');
	if (us)
	{
		var found = false;
		for (var i = 0; i < us.childNodes.length; i++)
		{
			if (us.childNodes[i].nodeName == 'DIV')
			{
				if (us.childNodes[i].id == 'state_' + state)
				{
					us.childNodes[i].style.display = '';
					found = true;
				}
				else
					us.childNodes[i].style.display = 'none';
			}
		}
		if (!found)
			document.getElementById('no_reps').style.display = '';
	}
	return false;	
}

function swap_side_subnav(nav)
{
	var i = 1;
	while (document.getElementById('side_subnav_' + i))
	{
		var temp_div = document.getElementById('side_subnav_' + i);
		if (nav == i)
			temp_div.style.display = '';
		else
			temp_div.style.display = 'none';
		i++;	
	}
	return false;
}

function swap_rep_region(region)
{
	var i = 0;
	document.getElementById('no_reps').style.display = 'none';
	while (document.getElementById('rep_country_' + i))
	{
		if (region == i)
			document.getElementById('rep_country_' + i).style.display = '';
		else
			document.getElementById('rep_country_' + i).style.display = 'none';
		i++;	
	}
	return false;	
}

function validEmail(email) {
    invalidChars = " /:,;"
    if (email == "") {
        return false
    }
    for (i=0; i<invalidChars.length; i++) {
        badChar = invalidChars.charAt(i)
        if (email.indexOf(badChar,0) > -1) {
            return false
        }
    }
    atPos = email.indexOf("@",1)
    if (atPos == -1) {
        return false
    }
    if (email.indexOf("@",atPos+1) > -1) {
        return false
    }
    periodPos = email.indexOf(".",atPos)
    if (periodPos == -1) {
        return false
    }
    if (periodPos+3 > email.length)    {
        return false
    }
    return true
}

function submitIt(subsForm) {
    if (!validEmail(document.subsForm.email.value))
        {
            alert("Invalid email address")
            document.subsForm.email.focus()
            document.subsForm.email.select()
            return false
        }
    
    
    var pref = "";
    var reqfields = new Array('email');
        for(i=0; i < reqfields.length;i++)
            {
                tempfield = "document.subsForm."+pref+reqfields[i]+".value";
                tempid = "document.subsForm."+pref+reqfields[i]+".id";
                tempval = eval(tempfield);
                tempid = eval(tempid);
                if(tempval=="")
                    {
                        alert("Please provide a "+tempid+".");
                        return false;
                    }
        }
    return true
}