function checkIt(tag,evt,boy,sonraki,frm) {

var charCode = (evt.which) ? evt.which : event.keyCode

var str=tag.value;

var uz=str.length;

var str2="";

var j=0;

if (charCode==13 || charCode==9) {

	eval(frm.name+'.'+sonraki+'.focus()');

	return true

}

if (charCode > 31 && (charCode < 48 || charCode > 57)) {

	if (str.indexOf('.')==-1 && charCode==46){			

		return true;

	}else{

		//alert("Sayi gir kardesim");

		return false;

	}		

}else {

	if (str.indexOf('.')!=-1){

		uz=(str.substring(str.indexOf('.'),str.length).length)+1;

		if (uz>3) return false;

		else return true;

	}else{

		for (var i=0;i<uz;i++){

			if (str.charAt(i)!=",") str2+=str.charAt(i);

		}						

		str=str2;

		uz=str.length;

		if (uz>(boy-1)) return false;

		switch(uz+1){

			case 4:str=str.substring(0,1)+","+str.substring(1,3)+str.charAt(3);break;

			case 5:str=str.substring(0,2)+","+str.substring(2,4)+str.charAt(4);break;

			case 6:str=str.substring(0,3)+","+str.substring(3,5)+str.charAt(5);break;

			case 7:str=str.substring(0,1)+","+str.substring(1,4)+","+str.substring(4,6)+str.charAt(6);break;

			case 8:str=str.substring(0,2)+","+str.substring(2,5)+","+str.substring(5,7)+str.charAt(7);break;

			case 9:str=str.substring(0,3)+","+str.substring(3,6)+","+str.substring(6,8)+str.charAt(8);break;

			case 10:str=str.substring(0,1)+","+str.substring(1,4)+","+str.substring(4,7)+","+str.substring(7,9)+str.charAt(9);break;

			case 11:str=str.substring(0,2)+","+str.substring(2,5)+","+str.substring(5,8)+","+str.substring(8,10)+str.charAt(10);break;

			case 12:str=str.substring(0,3)+","+str.substring(3,6)+","+str.substring(6,9)+","+str.substring(9,11)+str.charAt(11);break;

			case 13:str=str.substring(0,1)+","+str.substring(1,4)+","+str.substring(4,7)+","+str.substring(7,10)+","+str.substring(10,12)+str.charAt(12);break;

			case 14:str=str.substring(0,2)+","+str.substring(2,5)+","+str.substring(5,8)+","+str.substring(8,11)+","+str.substring(11,13)+str.charAt(13);break;

			case 15:str=str.substring(0,3)+","+str.substring(3,6)+","+str.substring(6,9)+","+str.substring(9,12)+","+str.substring(12,14)+str.charAt(14);break;

		}

		tag.value=str;

		return true

	}

}

}





function currency(tag,evt,sonraki,boy,precision) {

var charCode = (evt.which) ? evt.which : event.keyCode

var str=tag.value;

var uz=str.length;

var str2="";

var j=0;

if (charCode==13 || charCode==9) {

	eval('document.form1.'+sonraki+'.focus()');

	return true

}

if (charCode > 31 && (charCode < 48 || charCode > 57)) {

	if (str.indexOf('.')==-1 && charCode==46){			

		return true;

	}else{

		return false;

	}		

}else {

	if (str.indexOf('.')!=-1){

		uz=(str.substring(str.indexOf('.'),str.length).length);

		if (uz>precision) return false;

		else return true;

	}else{

		for (var i=0;i<uz;i++){

			if (str.charAt(i)!=",") str2+=str.charAt(i);

		}						

		str=str2;

		uz=str.length;

		if (uz>(boy-1)) return false;

		switch(uz+1){

			case 4:str=str.substring(0,1)+","+str.substring(1,3)+str.charAt(3);break;

			case 5:str=str.substring(0,2)+","+str.substring(2,4)+str.charAt(4);break;

			case 6:str=str.substring(0,3)+","+str.substring(3,5)+str.charAt(5);break;

			case 7:str=str.substring(0,1)+","+str.substring(1,4)+","+str.substring(4,6)+str.charAt(6);break;

			case 8:str=str.substring(0,2)+","+str.substring(2,5)+","+str.substring(5,7)+str.charAt(7);break;

			case 9:str=str.substring(0,3)+","+str.substring(3,6)+","+str.substring(6,8)+str.charAt(8);break;

			case 10:str=str.substring(0,1)+","+str.substring(1,4)+","+str.substring(4,7)+","+str.substring(7,9)+str.charAt(9);break;

			case 11:str=str.substring(0,2)+","+str.substring(2,5)+","+str.substring(5,8)+","+str.substring(8,10)+str.charAt(10);break;

			case 12:str=str.substring(0,3)+","+str.substring(3,6)+","+str.substring(6,9)+","+str.substring(9,11)+str.charAt(11);break;

			case 13:str=str.substring(0,1)+","+str.substring(1,4)+","+str.substring(4,7)+","+str.substring(7,10)+","+str.substring(10,12)+str.charAt(12);break;

			case 14:str=str.substring(0,2)+","+str.substring(2,5)+","+str.substring(5,8)+","+str.substring(8,11)+","+str.substring(11,13)+str.charAt(13);break;

			case 15:str=str.substring(0,3)+","+str.substring(3,6)+","+str.substring(6,9)+","+str.substring(9,12)+","+str.substring(12,14)+str.charAt(14);break;

		}

		tag.value=str;

		return true

	}

}

}