function isEmailValid(str,noAlert) {
    if (typeof(noAlert) == 'undefined')
        noAlert = false;
        
    var errMsg = 'Please enter valid email';
    var err = 0;
	var at="@";
	var dot=".";
	var lat=str.indexOf(at);
	var lstr=str.length;
	var ldot=str.indexOf(dot);
	if (str.indexOf(at)==-1){
	   err = 1;
	}
 
	if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
	   err = 1;
	}
 
	if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
	    err = 1;
	}
 
	 if (str.indexOf(at,(lat+1))!=-1){
	    err = 1;
	 }
 
	 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
	    err = 1;
	 }
 
	 if (str.indexOf(dot,(lat+2))==-1){
	    err = 1;
	 }
	
	 if (str.indexOf(" ")!=-1){
	    err = 1;
	 }
 
    if (err==1) {
        if (!noAlert) alert(errMsg);
        return false;
     }
 
	 return true;			
}
 
function ValidationEmail(source, arguments) {
    arguments.IsValid = isEmailValid(arguments.Value, true);
}
 
function ValidationPhone(source, arguments) {
 
    var val = arguments.Value;
    
    val = val.replace(' ', '');
    
    val = val.replace('.', '');
    
    val = val.replace('-', '');
    
    val = val.replace(')', '');
    
    val = val.replace('(', '');
    
    arguments.IsValid = !isNaN(val);
}
 
    function openWindow(url,name, width, height) {
var popupWin;
	// if a window already exists, destroy it.
	if (popupWin && !popupWin.closed) {
               popupWin.close();
	}
 
	var attr = 'scrollbars=no,status=yes,width=' + width + ',height= ' + height  +',left=1,top=1,resizable=1';
   	popupWin = window.open('/Documents/' + url, name, attr);
	popupWin.focus();
}