function MM_showHideLayers() { //v3.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) 
    if ((obj=MM_findObj(args[i]))!=null) {
        v=args[i+2];
        if (obj.style) {
            obj=obj.style; v=(v=='show')?'visible':(v='hide')?'hidden':v; 
    }
    obj.visibility=v; 
  }
}

function MM_findObj(n, d) { //v4.0
  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 && document.getElementById) x=document.getElementById(n); return x;
}


function check_fields(objForm){	
  if (objForm.memberPassword.value.trim() == '' && objForm.memberUsername.value.trim() == ''){
     alert(' "חובה למלא שדות  "שם משתמש באתר קו למעסיק"  ו"סיסמה ')
     objForm.memberUsername.focus();
     return false;
  }   
  if (objForm.memberUsername.value.trim() == '' ){
     alert('"חובה למלא שדה "שם משתמש באתר קו למעסיק')
     objForm.memberUsername.focus();
     return false;
  }
  /*
  if (objForm.memberPassword.value.trim() != ''){
	   var l=objForm.memberPassword.value.trim();
	   var lg=l.length;   
	   if (lg<9){
	      for (j=lg+1;j<10;j++){objForm.memberPassword.value='0' + objForm.memberPassword.value.trim()}
	   }
  } 
  */
  if (objForm.memberPassword.value.trim() == ''){
      alert('"חובה למלא שדה "סיסמה') 
      objForm.memberPassword.focus();
      return false;
  }
  
  if (objForm.memberPassword.value.trim() != '' && objForm.memberUsername.value.trim() != ''){
     return true;
  }
 return false;
}

//*************************************************************************************
// trim - this function deletes spaces around the string.
//*************************************************************************************
String.prototype.trim = function()
{
    // Use a regular expression to replace leading and trailing 
    // spaces with the empty string
    return this.replace(/(^\s*)|(\s*$)/g, "");
}

function checkEmail(checkThisEmail){
//  return (strEmail.indexOf(".") > 2) && (strEmail.indexOf("@") > 0);
  //return /^\w+@([\w\-]+\.)+\w{2,3}$/.test(strEmail);
var myEMailIsValid = true;
var myAtSymbolAt = checkThisEmail.indexOf('@');
var myLastDotAt = checkThisEmail.lastIndexOf('.');
var mySpaceAt = checkThisEmail.indexOf(' ');
var myLength = checkThisEmail.length;
// at least one @ must be present and not before position 2
// @yellow.com : NOT valid
// x@yellow.com : VALID
if (myAtSymbolAt < 1 ){myEMailIsValid = false}
// at least one . (dot) afer the @ is required
// x@yellow : NOT valid
// x.y@yellow : NOT valid
// x@yellow.org : VALID
if (myLastDotAt < myAtSymbolAt) {myEMailIsValid = false}
// at least two characters [com, uk, fr, ...] must occur after the last . (dot)
// x.y@yellow. : NOT valid
// x.y@yellow.a : NOT valid
// x.y@yellow.ca : VALID
if (myLength - myLastDotAt <= 2){myEMailIsValid = false}
// no empty space " " is permitted (one may trim the email)
// x.y@yell ow.com : NOT valid
if (mySpaceAt != -1) {myEMailIsValid = false}
return myEMailIsValid
}

function emptyField(textObj){
	if (textObj.value.length == 0) return true;
	for (var i=0; i<textObj.value.length; i++) {
		var ch = textObj.value.charAt(i);
		if (ch != ' ' && ch != '\t') return false;	
	}
	return true;	
}