function isEmail(Email_ad){
		x = Email_ad.indexOf("@");
		y = Email_ad.indexOf(".");
		if ((x == -1 || y == -1))
			return false;
		else
			return true;
	}
	
	function isPhone(num){
		str = num;
		var re=/[a-zA-Zא-ת]/g;
    if (re.test(str))
  		 return false;  
		else if ((num.length < 9) || (num.length > 11))
			return false;
		else
			return true;
	}

	function isPass(num){
		if (num.length != 3)
			return false;
		else
			return true;
	}

	function checkFrm(frm) {
		for (i=0;i<frm.elements.length;i++) {
			e = frm.elements[i];
			if ((e.is_must == "1") && (e.value == "")){
				alert("Please enter "+e.title);
				e.focus();
				return false;
			}
			if ((e.field_type == "phone") && (e.value != "") && (!isPhone(e.value))){
				alert("Please enter valid "+e.title);
				e.focus();
				return false;
			}
			if ((e.field_type == "email") && (e.value != "") && (!isEmail(e.value))){
				alert("Please enter valid "+e.title);
				e.focus();
				return false;
			}
			if ((e.field_type == "select") && ((e.value == "") || (e.value == "0"))){
				alert("Please select "+e.title);
				e.focus();
				return false;
			}
			if ((e.field_type == "file") && (e.value == "")){
				alert("(Browse) נא לבחור קורות חיים בלחיצה על כפתור עיון");
				alert("Please select "+e.title +" by presseing on the (Browse) button");
				e.focus();
				return false;
			}
			if ((e.field_type == "date") && (e.value != "") && (!isDate(e.value))){
//				alert("Please enter valid "+e.title);
				e.focus();
				return false;
			}
			if (((e.field_type == "pass") || (e.field_type == "cpass")) && (e.value != "") && (e.value.length != 6)){
				alert("Please enter valid "+e.title);
				e.focus();
				return false;
			}
			if ((e.field_type == "cpass") && (e.value != "") && (e.value != frm.field_password.value)){
				alert("The passwords are not identicals");
				e.focus();
				return false;
			}
		}
		return true;
	}


	//SEARCH
	function validSearch() {
		frm = document.searchFrm;
		if (frm.field_search.value == ""){
			alert("Please enter text for search");
			frm.field_search.focus();
			return false;
		}
		else{
			return true;
		}
	}

	var dtCh= "/";
	var minYear=1900;
	var maxYear=2100;

	function isInteger(s){
		var i;
	    for (i = 0; i < s.length; i++){   
	        // Check that current character is number.
	        var c = s.charAt(i);
	        if (((c < "0") || (c > "9"))) return false;
	    }
	    // All characters are numbers.
	    return true;
	}

	function stripCharsInBag(s, bag){
		var i;
	    var returnString = "";
	    // Search through string's characters one by one.
	    // If character is not in bag, append to returnString.
	    for (i = 0; i < s.length; i++){   
	        var c = s.charAt(i);
	        if (bag.indexOf(c) == -1) returnString += c;
	    }
	    return returnString;
	}

	function daysInFebruary (year){
		// February has 29 days in any year evenly divisible by four,
	    // EXCEPT for centurial years which are not also divisible by 400.
	    return (((year % 4 == 0) && ( (!(year % 100 == 0)) || (year % 400 == 0))) ? 29 : 28 );
	}
	function DaysArray(n) {
		for (var i = 1; i <= n; i++) {
			this[i] = 31
			if (i==4 || i==6 || i==9 || i==11) {this[i] = 30}
			if (i==2) {this[i] = 29}
	   } 
	   return this
	}

	function isDate(dtStr){	
		var daysInMonth = DaysArray(12)
		var pos1=dtStr.indexOf(dtCh)
		var pos2=dtStr.indexOf(dtCh,pos1+1)
		var strMonth=dtStr.substring(0,pos1)
		var strDay=dtStr.substring(pos1+1,pos2)
		var strYear=dtStr.substring(pos2+1)
		strYr=strYear
		if (strDay.charAt(0)=="0" && strDay.length>1) strDay=strDay.substring(1)
		if (strMonth.charAt(0)=="0" && strMonth.length>1) strMonth=strMonth.substring(1)
		for (var i = 1; i <= 3; i++) {
			if (strYr.charAt(0)=="0" && strYr.length>1) strYr=strYr.substring(1)
		}
		month=parseInt(strMonth)
		day=parseInt(strDay)
		year=parseInt(strYr)
		if (pos1==-1 || pos2==-1){
			alert("The date format should be : mm/dd/yyyy")
			return false
		}
		if (strMonth.length<1 || month<1 || month>12){
			alert("Please enter a valid month")
			return false
		}
		if (strDay.length<1 || day<1 || day>31 || (month==2 && day>daysInFebruary(year)) || day > daysInMonth[month]){
			alert("Please enter a valid day")
			return false
		}
		if (strYear.length != 4 || year==0 || year<minYear || year>maxYear){
			alert("Please enter a valid 4 digit year between "+minYear+" and "+maxYear)
			return false
		}
		if (dtStr.indexOf(dtCh,pos2+1)!=-1 || isInteger(stripCharsInBag(dtStr, dtCh))==false){
			alert("Please enter a valid date")
			return false
		}
	return true
	}

//PRELOAD IMAGES
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) { //v4.0
  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 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];}
}

function MM_swapBackground(vsID, vsClass) { 
  eval("" + vsID + ".className='" + vsClass + "'")
}



//ADD TO FAVORITES
function addToFavorites(url,siteName) {
	window.external.addfavorite(url,siteName);
}


function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);

function MM_showHideLayers() { //v6.0
  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_changeProp(objName,x,theProp,theValue) { //v6.0
  var obj = MM_findObj(objName);
  if (obj && (theProp.indexOf("style.")==-1 || obj.style)){
    if (theValue == true || theValue == false)
      eval("obj."+theProp+"="+theValue);
    else eval("obj."+theProp+"='"+theValue+"'");
  }
}

function editUser(lsType){
	document.location.href='userEdit.asp?action='+lsType;
}

function editCarrier(lsType){
	document.location.href='carrierEdit.asp?action='+lsType;
}


////++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
//function to validate by length
function lengthValid(field, len, text) {
    // text = Trim(text);
	if (field.value.length < len)
  	{
 	  	alert("Please enter a valid " + text + ".");
		field.focus();
		return false;
	}else{
		return true;
	}
}

//function to validate numerical fields
function numberValid(field, text) {
    //text = Trim(text);
	if (isNaN(field.value))
  	{
 	  	alert("Please enter a valid " + text + ".");
		field.focus();
		return false;
	}else{
		return true;
	}
}


//function to validate Zip Code fields
function zipValid(field,len, text) {
    //text = Trim(text);
	if (isNaN(field.value) || field.value.length < len)
  	{
 	  	alert("Please enter a valid " + text + ".");
		field.focus();
		return false;
	}else{
		return true;
	}
}

//function to validate email
function emailValid(mailfield, len, text) {
   // text = Trim(text);
	if(mailfield.value.length < len || mailfield.value.indexOf("@") < 1 || mailfield.value.indexOf(".") < 2)
	{
	    alert("Please enter a valid " + text + ".");
		mailfield.focus();
		return false;
	}else{
		return true;
	}
}

//function to validate select drop-downs
function selectValid(field, text) {
    //text = Trim(text);
	if (field[0].selected)
  	{
 	  	alert("Please select a " + text + ".");
		field.focus();
		return false;
	}else{
		return true;
	}
}