var zChar = new Array(' ', '(', ')', '-', '.');
var maxphonelength = 13;
var phonevalue1;
var phonevalue2;
var cursorposition;

function ParseForNumber1(object) {
	phonevalue1 = ParseChar(object.value, zChar);
}

function ParseForNumber2(object) {
	phonevalue2 = ParseChar(object.value, zChar);
}

function backspacerUP(object,e) {
	if(e){
		e = e
	} else {
		e = window.event
	}
	if(e.which){
		var keycode = e.which
	} else {
		var keycode = e.keyCode
	}

	ParseForNumber1(object)

	if(keycode > 48){
		ValidatePhone(object)
	}
}

function backspacerDOWN(object,e) {
	if(e){
		e = e
	} else {
		e = window.event
	}
	if(e.which){
		var keycode = e.which
	} else {
		var keycode = e.keyCode
	}
	
	ParseForNumber2(object)
}

function GetCursorPosition() {
	var t1 = phonevalue1;
	var t2 = phonevalue2;
	var bool = false
	
	for (i=0; i<t1.length; i++) 	{
		if (t1.substring(i,1) != t2.substring(i,1)) {
			if(!bool) {
				cursorposition = i
				bool = true
			}
		}
	}
}

function ValidatePhone(object) {
	var p = phonevalue1

	p = p.replace(/[^\d]*/gi,"")

	if (p.length < 3) {
		object.value = p
	} else if(p.length == 3) {
		pp = p;
		d4 = p.indexOf('(')
		d5 = p.indexOf(')')
		if(d4 == -1){
			pp = "("+pp;
		}
		if(d5 == -1){
			pp = pp+")";
		}
		object.value = pp;
	} else if(p.length > 3 && p.length < 7) {
		p = "(" + p;
		l30 = p.length;
		p30 = p.substring(0,4);
		p30 = p30+")"
		p31 = p.substring(4,l30);
		pp = p30+p31;

		object.value = pp;

	} else if(p.length >= 7) {
		p = "(" + p;
		l30 = p.length;
		p30 = p.substring(0,4);
		p30 = p30+")"

		p31 = p.substring(4,l30);
		pp = p30+p31;

		l40 = pp.length;
		p40 = pp.substring(0,8);
		p40 = p40 + "-"

		p41 = pp.substring(8,l40);
		ppp = p40 + p41;

		object.value = ppp.substring(0, maxphonelength);
	}

	GetCursorPosition()

	if(cursorposition >= 0) {
		if (cursorposition == 0) {
			cursorposition = 2
		} else if (cursorposition <= 2) {
			cursorposition = cursorposition + 1
		} else if (cursorposition <= 5) {
			cursorposition = cursorposition + 2
		} else if (cursorposition == 6) {
			cursorposition = cursorposition + 2
		} else if (cursorposition == 7) {
			cursorposition = cursorposition + 4
			e1=object.value.indexOf(')')
			e2=object.value.indexOf('-')
			if (e1>-1 && e2>-1) {
				if (e2-e1 == 4) {
					cursorposition = cursorposition - 1
				}
			}
		} else if (cursorposition < 11) {
			cursorposition = cursorposition + 3
		} else if (cursorposition == 11) {
			cursorposition = cursorposition + 1
		} else if (cursorposition >= 12) {
			cursorposition = cursorposition
		}

		var txtRange = object.createTextRange();
		
		txtRange.moveStart( "character", cursorposition);
		txtRange.moveEnd( "character", cursorposition - object.value.length);
		txtRange.select();
	}
}

function ParseChar(sStr, sChar) {
	if (sChar.length == null) {
		zChar = new Array(sChar);
	} else zChar = sChar;

	for (i=0; i<zChar.length; i++) {
		sNewStr = "";

		var iStart = 0;
		var iEnd = sStr.indexOf(sChar[i]);

		while (iEnd != -1) {
			sNewStr += sStr.substring(iStart, iEnd);
			iStart = iEnd + 1;
			iEnd = sStr.indexOf(sChar[i], iStart);
		}
		sNewStr += sStr.substring(sStr.lastIndexOf(sChar[i]) + 1, sStr.length);

		sStr = sNewStr;
	}

	return sNewStr;
}