// Standard Rules

var objUsername = ".0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ_abcdefghijklmnopqrstuvwxyz";
var objNumber = ".0123456789";
var objMoney = ".,0123456789";
var objWholeNumber = "0123456789";
var objPhone = "-()0123456789 ";
var objAlpha = "ABCDEFGHIJKLMNOPQRSTUVWXYZ_abcdefghijklmnopqrstuvwxyz ";
var objAlphaNum = ".-()0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ_abcdefghijklmnopqrstuvwxyz ";
var objZip = ".-()0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ_abcdefghijklmnopqrstuvwxyz";

function isRule(oComp, sRule, nLength, fdecimal){
	if(fdecimal == "" || typeof(fdecimal) == "undefined"){
		fdecimal = false;
	}

	//If the object is not specified return false
	if (typeof(oComp) == 'undefined' || oComp == null || oComp == ''){
		alert('Error: Input object not specified.');
		return false;
	}
	//If neither rule nor max length is specified, return false
	else if (typeof(sRule) == 'undefined' && typeof(nLength) == 'undefined'){
		alert('Error: No rule/maximum length for input object specified.');
		return false;
	}

	var noErrorFlg = true;

	//If object is specified and either of rule is specified,
	if(typeof(sRule) != 'undefined' && sRule != null){
		var temp;
		sRule = sRule + "";
		var discardChars = false;
		if(sRule.length > 0 && sRule.charAt(0) == "~"){
			sRule = sRule.substring(1);
			discardChars = true;
		}

		if(typeof(oComp) == "undefined" || typeof(sRule) == "undefined")
			return false;

		for (var i = 0;i < oComp.value.length;i++){
			temp = oComp.value.charAt(i);

			if((!discardChars && sRule.indexOf(temp) == -1) || (discardChars && sRule.indexOf(temp) >= 0)){
				//alert("Field disobeys entry rule.  Following are the valid characters:\n" + sRule);
				//alert("Invalid Character!");
				oComp.value = oComp.value.substring(0,i);// + (oComp.value.length > i ? oComp.value.substring(i+1):"");
				noErrorFlg = false;
				break;
			}
		}
	}
	
	if(nLength){
		if(fdecimal){
			nLength -= fdecimal;
			var dp = oComp.value.indexOf(".");
			var p1;
			var p2 = "";
			if(dp >= 0){
				p1 = oComp.value.substring(0,dp);
				p2 = oComp.value.substring(dp+1);
			}
			else{
				p1 = oComp.value;
			}
			if(p1.length > nLength){
				oComp.value = oComp.value.substring(0,nLength);
				return noErrorFlg;
			}
			for(var i = 0;i < p2.length;i++){
				var ch = p2.charAt(i);
				if(ch < '0' || ch > '9'){
					oComp.value = p1 + "." + p2.substring(0,i);
					return noErrorFlg;
				}
			}
			if(p2.length > fdecimal){
				oComp.value = p1 + "." + p2.substring(0,fdecimal);
			}
		}
		else if(oComp.value.length > nLength){
			oComp.value = oComp.value.substring(0,nLength);
		}
	}
	return noErrorFlg;
}

function isImage(obj) {
    if (obj.value.length > 0) {
        if (obj.value.length > 4) {
            var ext = obj.value.substring(obj.value.length - 3, obj.value.length);
            if (ext == 'jpg' || ext == 'JPG' || ext == 'gif' || ext == 'GIF' || ext == 'png' || ext == 'PNG') {
                return true;
            }
            else
                return false;
        }
        else
            return false;
    }
}
    function checkdate(input) {
            var validformat = /^\d{2}\/\d{2}\/\d{4}$/ //Basic check for format validity
            var returnval = false
            if (!validformat.test(input.value)) {
                alert('Invalid date format.\n\nPlease enter date in mm/dd/yyyy format, e.g."07/28/2006".');
                input.value = '';
            }
            else { //Detailed check for valid date ranges
                var monthfield = input.value.split("/")[0]
                var dayfield = input.value.split("/")[1]
                var yearfield = input.value.split("/")[2]
                var dayobj = new Date(yearfield, monthfield - 1, dayfield)
                if ((dayobj.getMonth() + 1 != monthfield) || (dayobj.getDate() != dayfield) || (dayobj.getFullYear() != yearfield))
                {
                    alert("Invalid Day, Month, or Year range detected. Please correct and submit again.");
                     input.value = '';
                    }
                else
                    returnval = true
            }
            if (returnval == false) input.select()
            return returnval
        }
function isDate(IsItReal)
{
	if (IsItReal.value != "")
	{
		var valDate = IsItReal.value;
		var reg = /^(0[1-9]|1[012])[- /.](0[1-9]|[12][0-9]|3[01])[- /.]((19|20)[0-9][0-9]+)$/;
		if(reg.test(valDate))
			return true;
		else
		{
			alert('Invalid date format.\n\nPlease enter date in mm/dd/yyyy format, e.g."07/28/2006".');
			IsItReal.value='';
			IsItReal.focus();
			IsItReal.select();
			return false;
		}
	}
	else
		return true;
}
// This function will count character for text area.
function CharacterCount(obj, total){
	if(total == null) total = 500; var len = obj.value.length; var newdiv;
	
	if(document.getElementById("note" + obj.id) == null){
		newdiv = document.createElement('div');
		newdiv.id = "note" + obj.id;
	    obj.parentNode.appendChild(newdiv);
	}
	else{newdiv = document.getElementById("note" + obj.id);}
	
	if(len == 0){obj.parentNode.removeChild(newdiv);}
		
	if(len >= total){
		var temp = obj.value.substring(0, total)
		obj.value = temp;
		newdiv.innerHTML = "You have reached maximum characters limit of <b>" + total + "</b>."
		 newdiv.style.display = 'block';
	}
	else{
		newdiv.innerHTML = "Your maximum characters limit is: <b>" + total + "</b>. Current character count: <b>" + len + "</b>.";
		 newdiv.style.display = 'block';
	}
}