/*
 * Form validation:
 * http://www.webcheatsheet.com/javascript/form_validation.php
 */
function validateFormOnSubmit(theForm) {
var reason = "";

  reason += validateEmpty(theForm.fullname,'שמך');
  reason += validateEmpty(theForm.company,'שם החברה שלך');
  reason += validatePhone(theForm.phone);
  reason += validateEmail(theForm.email);
      
  if (reason != "") {
    alert("שדות מסויימים דורשים תיקון:\n" + reason);
    return false;
  }

  return true;
}

function validateEmpty(fld,txt) {
    var error = "";
  
    if (fld.value.length == 0) {
        fld.style.background = '#FFEB94'; 
        error = "אנא הכנס את "+txt+".\n"
    } else {
        fld.style.background = '#ffffff';
    }
    return error;   
}

function trim(s)
{
  return s.replace(/^\s+|\s+$/, '');
} 

function validateEmail(fld) {
    var error="";
    var tfld = trim(fld.value);
    var emailFilter = /^[^@]+@[^@.]+\.[^@]*\w\w$/ ;
    var illegalChars= /[\(\)\<\>\,\;\:\\\"\[\]]/ ;
    
    if (fld.value == "") {
        fld.style.background = '#FFEB94';
        error = "אנא הכנס כתובת אימייל חוקית.\n";	// A valid email address is required.
    } else if (!emailFilter.test(tfld)) {
        fld.style.background = '#FFEB94';
        error = "אנא הכנס כתובת אימייל חוקית.\n";	// Please enter a valid email address.
    } else if (fld.value.match(illegalChars)) {
        fld.style.background = '#FFEB94';
        error = "אנא הכנס כתובת אימייל חוקית.\n";	// The email address contains illegal characters
    } else {
        fld.style.background = '#ffffff';
    }
    return error;
}

function validatePhone(fld) {
    var error = "";
    var stripped = fld.value.replace(/[\(\)\.\-\ ]/g, '');     

   if (fld.value == "") {
        error = "אנא הכנס מספר טלפון.\n";
        fld.style.background = '#FFEB94';
    } else if (isNaN(parseInt(stripped))) {
        error = "מספר הטלפון מכיל תווים לא חוקיים.\n";
        fld.style.background = '#FFEB94';
    } else {
        fld.style.background = '#ffffff';
    }
    return error;
}


/*
 * Image Swapping
 */
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_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_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];}
}

/*
 * Image preloader
 */
var myimages=new Array();
//
// Ex: preloadimages(baseDir+'imgs/image1.gif',baseDir+'imgs/image2.gif');
//
function preloadimages()
{
for (i=0;i<preloadimages.arguments.length;i++)
	{
	myimages[i]=new Image();
	myimages[i].src=preloadimages.arguments[i];
	}
}