function convertToRoman(num) {
 	var arr_num = ["","I","II","III","IV","V","VI","VII","VIII","IX"];
 	var arr_des = ["","X","XX","XXX","XL","L","LX","LXX","LXXX","XC"];
 	var arr_sot = ["", "C","CC","CCC","CD","D","DC","DCC","DCCC","CM"];
 	var arr_tus = ["", "M"];
 	var str = "";

 	if (num > 0 && num <10) {
 		str = arr_num[num];

 	} else if (num >= 10 && num < 100) {

 		if (num % 10 === 0) {
 			str = arr_des[(num / 10)];
 		} else {
 			str = arr_des[Math.floor(num / 10)] + arr_num[(num % 10)];
 		}
 	} else if (num >= 100 && num < 1000) {

 		if (num % 100 === 0) {
 			str = arr_sot[(num / 100)];
 		} else {
 			var ost = num % 100;
 			str = arr_sot[Math.floor(num / 100)] + arr_des[Math.floor(ost / 10)] + arr_num[(ost % 10)];
 		}
 	} else if (num >= 1000 && num < 1000000) {

 		if (num % 1000 === 0) {
 			for (var i = 0; i < num / 1000; i++ )
 			str += arr_tus[1];

 		} else {
 			ost1 = num % 1000;

 			for (var j = 0; j < (Math.floor(num / 1000)); j++ ) {
 			 str += arr_tus[1];
 			}

 				if (ost1 > 0 && ost1 < 10) {
 					str += arr_num[(ost1 % 10)];

 				} else if (ost1 >= 10 && ost1 < 100) {

 					str += arr_des[Math.floor(ost1 / 10)] + arr_num[(ost1 % 10)];

 				} else if (ost1 >= 100 && ost1 < 1000) {

 					str += arr_sot[Math.floor(ost1 / 100)] + arr_des[Math.floor(ost1 % 10)] + arr_num[(ost1 % 10)];
 				}
 		}
 	}

 return str;
}
convertToRoman(100000);