function createCookie(name,value,days) {
	if (days) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else var expires = "";
	//alert('days:'+days+'expires'+expires);
	document.cookie = name+"="+escape(value)+expires+"; path=/";
//alert(value);
}

function readCookie(name) {
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}

function eraseCookie(name) {
	createCookie(name,"",-1);
}


function isLong(elem,reqlen, ErrMsg){
    if(elem.value.length < reqlen){
    //alert(helperMsg);
    elem.focus(); // set the focus to this input
    ErrorMessage+=ErrMsg+"\n";
    return false;
    }
    return true;

}


function isNotEmpty(elem, ErrMsg){
    if(elem.value.length == 0){
    //alert(helperMsg);
    elem.focus(); // set the focus to this input
    ErrorMessage+=ErrMsg+"\n";
    return false;
    }
    return true;
}
				    

function emailValidator(elem, ErrMsg){
    var emailExp = /^[\w\-\.\+]+\@[a-zA-Z0-9\.\-]+\.[a-zA-z0-9]{2,4}$/;
    if(elem.value.match(emailExp)){
    return true;
    }else{
    elem.focus();
    ErrorMessage+=ErrMsg+"\n";
    return false;
    }
}


function IsNumeric(elem, ErrMsg){
    var numericExpression = /^[0-9]+$/;
	if(elem.value.match(numericExpression)){
	return true;
        }else{
        elem.focus();
    ErrorMessage+=ErrMsg+"\n";
        return false;
	}
}