function isValidEmail(str) {

                var at="@"
                var dot="."
                var lat=str.indexOf(at)
                var lstr=str.length
                var ldot=str.indexOf(dot)
                if (str.indexOf(at)==-1){
                   return false
                }

                if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
                   return false
                }

                if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
                    return false
                }

                 if (str.indexOf(at,(lat+1))!=-1){
                    return false
                 }

                 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
                    return false
                 }

                 if (str.indexOf(dot,(lat+2))==-1){
                    return false
                 }

                 if (str.indexOf(" ")!=-1){
                    return false
                 }

                 return true
}

function checkForm(formName){
        var errorMessage = "";
        if (formName.Name.value == ""){
                errorMessage += "Name\n";
        }
        if (formName.email.value == ""){
                errorMessage += "Email Address\n";
        }
        if (formName.email.value != ""){
                if (isValidEmail(formName.email.value) == false){
                        errorMessage += "You Email Address is not Valid\n";
                }
        }
        if (formName.Comments.value == ""){
                errorMessage += "Questions or Comments\n";
        }
        if (errorMessage != "") {
                alert("You must complete the following fields:\n\n"+errorMessage);
                return false;
        }
        else {
                return true;
        }
}

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_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_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];}
}
