function	isEmail(inStr)
	{
		var WzorE=/^[0-9a-z.-]+(@|\(at\))+[0-9a-z._-]+\.[a-z]{2,3}$/i;
		if (!WzorE.test(inStr) || inStr.lastIndexOf("@")!=inStr.indexOf("@") )
		{
			return false;
		}
		else {
			return true;
		}
	}
	function checkField(fieldName, minLength, maxLength, isEmailField){
		var obj = document.getElementById(fieldName);
		var objValue = obj.value;
		if (isEmailField && isEmail(objValue)){
			return true;
		}
		else if (objValue.length < maxLength && objValue.length>minLength && !isEmailField) {
			return true;
		}
		else {
			return false;
		}
	}
	function checkCheckBoxField(fieldName){
		var obj = document.getElementById(fieldName);
		return obj.checked;
	}