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 MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}


// CHANGE SUB NAVIGATION
var currentSubNav = "";

function changeSubNav(navDiv){
  // Hide all existing sub navigation divs
  //var subNavID = navDiv + "_subnav";
  //var subNav = eval("document.getElementById('" + navDiv + "_subnav" + "')");
  
  if (navDiv == '') return;
  currentSubNav = "";  

  // ABOUT US
  if (navDiv == 'about_us') {
    document.getElementById('about_us_subnav').style.display='inline';
  } else {
    document.getElementById('about_us_subnav').style.display='none';
  }

  // PRODUCTS AT A GLANCE
  if (navDiv == 'products') {
    document.getElementById('products_subnav').style.display='inline';
  } else {
    document.getElementById('products_subnav').style.display='none';
  }

  // CONTRACTING
  if (navDiv == 'contracting') {
    document.getElementById('contracting_subnav').style.display='inline';
  } else {
    document.getElementById('contracting_subnav').style.display='none';
  }

  // WHAT'S NEW
  if (navDiv == 'whats_new') {
    document.getElementById('whats_new_subnav').style.display='inline';
  } else {
    document.getElementById('whats_new_subnav').style.display='none';
  }

  // CONTACT US
  if (navDiv == 'contact_us') {
    document.getElementById('contact_us_subnav').style.display='inline';
  } else {
    document.getElementById('contact_us_subnav').style.display='none';
  }

}

function setSubNav(navDiv)
{
  currentSubNav = navDiv;  
}

function hideSubNav()
{
  //alert(currentSubNav);
  if (currentSubNav == "") return;
  
  changeSubNav('');
}


// AGENT MAIN NAVIGATION
function changeAgentNav(sNav, sLink)
{
	var bOpenNavigation = false;
  var oAgentNavDiv;
  eval("oAgentNavDiv = document.getElementById('agentNav_' + sNav)");
  var oAgentNavImg;
  eval("oAgentNavImg = document.getElementById('arrow_' + sNav)");
  
  if (oAgentNavDiv.style.display == 'none') {
  	bOpenNavigation = true
    oAgentNavDiv.style.display = 'inline';
    oAgentNavImg.src = '../images/arrow_up_white.gif';
  } else {
    oAgentNavDiv.style.display = 'none';
    oAgentNavImg.src = '../images/arrow_down_white.gif';
  }
  
  if (sLink != null && bOpenNavigation) {
  	LoadLink(sLink);
  }
  
}

function loadContent(sContent)
{
  var oContentIframe = document.getElementById('content_frame');
  switch (sContent){
    case "state":
      oContentIframe.style.display='inline';
      oContentIframe.src='state_insurance_information.pdf';
      oContentIframe.style.width='100%';
      oContentIframe.style.height='500px';
      break;
  }
}

//COMMON FUNCTIONS TO VALIDATE FORM INPUTS
function isFilled(input){
  if(input.value == "" || input.value == null) return false;
  return true;
}
function ProcessAlert(inputtype, input, message){
  if(inputtype.toLowerCase() == "text"){
    alert(message);
    input.select();
    input.focus();
  }else if(inputtype.toLowerCase() == "select"){
    alert(message);
    input.focus();
  }else{
    alert(message);
  }
}
function isEmail(input){
  var emailRegxp = /^([\w]+)(.[\w]+)*@([\w]+)(.[\w]{2,3}){1,2}$/;
  if (emailRegxp.test(input.value) != true) return false;
  if(input.value.indexOf("@") == -1) return false;
  if(input.value.indexOf(".") == -1) return false;
  return true;
}
function isSelected(input){
  if(input.selectedIndex == 0) return false;
  return true;
}
function isDate(sDate, formatMMDDYYYY) {
  var scratch = new Date(sDate);
  var fullMonth;
  var fullDate;
  if (scratch.toString()=="NaN" || scratch.toString()=="Invalid Date") return false;
  // Validate mm/dd/yyyy format
  if (formatMMDDYYYY){
    fullMonth = scratch.getMonth()+1;
    if (fullMonth < 10) fullMonth = '0' + fullMonth;
    fullDate = scratch.getDate();
    if (fullDate < 10) fullDate = '0' + fullDate;
    if (sDate != fullMonth + '/' + fullDate + '/' + scratch.getFullYear()) return false;
  }
  return true;
}