function checkMpan(mpan){
	var hash =  
	Number(mpan.substr(0,1)) * 3 +
	Number(mpan.substr(1,1)) * 5 +
	Number(mpan.substr(2,1)) * 7 +
	Number(mpan.substr(3,1)) * 13 +
	Number(mpan.substr(4,1)) * 17 +
	Number(mpan.substr(5,1)) * 19 +
	Number(mpan.substr(6,1)) * 23 +
	Number(mpan.substr(7,1)) * 29 +
	Number(mpan.substr(8,1)) * 31 +
	Number(mpan.substr(9,1)) * 37 +
	Number(mpan.substr(10,1)) * 41 +
	Number(mpan.substr(11,1)) * 43 ;

	if (Number(mpan.substr(12,1)) == (hash % 11) ||
	 (Number(mpan.substr(12,1)) == 0 )&& (hash % 11)==10 )return true;
	return false;


//,11)=
//10,0,MOD((MID(C2,1,1)*3)+(MID(C2,2,1)*5)+(MID(C2,3,1)*7)+(MID(C2,4,1)*13)+(MID(C2,5,1)*17)+(MID(C2,6,1)*19)+(MID(C2,7,1)*23)+(MID(C2,8,1)*29)+(MID(C2,9,1)*31)+(MID(C2,10,1)*37)+(MID(C2,11,1)*41)+(MID(C2,12,1)*43),11))

}
/*
=IF(MOD((MID(E4,1,1)*3)
+(MID(E4,2,1)*5)
+(MID(E4,3,1)*7)
+(MID(E4,4,1)*13)
+(MID(E4,5,1)*17)
+(MID(E4,6,1)*19)
+(MID(E4,7,1)*23)
+(MID(E4,8,1)*29)
+(MID(E4,9,1)*31)
+(MID(E4,10,1)*37)
+(MID(E4,11,1)*41)
+(MID(E4,12,1)*43),11)=
10,0,MOD((MID(E4,1,1)*3)
+(MID(E4,2,1)*5)
+(MID(E4,3,1)*7)
+(MID(E4,4,1)*13)
+(MID(E4,5,1)*17)
+(MID(E4,6,1)*19)
+(MID(E4,7,1)*23)
+(MID(E4,8,1)*29)
+(MID(E4,9,1)*31)
+(MID(E4,10,1)*37)
+(MID(E4,11,1)*41)
+(MID(E4,12,1)*43),11))*/