function change_hotel_EndDate() {
    leisure_nd = new Date(
		document.quick.ciDateY.options[document.quick.ciDateY.options.selectedIndex].value, 
		document.quick.ciDateM.options[document.quick.ciDateM.options.selectedIndex].value, 
		document.quick.ciDateD.options[document.quick.ciDateD.options.selectedIndex].value
	);
	set_mm = leisure_nd.getMonth();

    set_y = leisure_nd.getFullYear();
    set_m = leisure_nd.getMonth()-1;
    set_d = leisure_nd.getDate();

	if(set_d == 31 && (set_mm == 2 || set_mm == 4 || set_mm == 6 || set_mm == 9 || set_mm == 11)){
		if(set_mm==2){
			set_d = 28;
		}else{
			set_d = 30;
		}
	}else if(eval(document.quick.ciDateM.options[document.quick.ciDateM.options.selectedIndex].value) == 1){
		if(eval(document.quick.ciDateD.options[document.quick.ciDateD.options.selectedIndex].value)==29){
			set_m = 0;
			set_d = 29;
		}else if(eval(document.quick.ciDateD.options[document.quick.ciDateD.options.selectedIndex].value)==30){
			set_m = 0;
			set_d = 30;
		}else if(eval(document.quick.ciDateD.options[document.quick.ciDateD.options.selectedIndex].value)==31){
			set_m = 0;
			set_d = 31;
		}
	}else if(( set_d == 29 || set_d == 30 )&& set_mm == 2){
		set_d = 28;
	}else if((eval(document.quick.ciDateM.options[document.quick.ciDateM.options.selectedIndex].value) == 5) && 
		eval(document.quick.ciDateD.options[document.quick.ciDateD.options.selectedIndex].value)==31){
		set_m = 4;
		set_d = 31;
	}else if((eval(document.quick.ciDateM.options[document.quick.ciDateM.options.selectedIndex].value) == 8) && 
		eval(document.quick.ciDateD.options[document.quick.ciDateD.options.selectedIndex].value)==31){
		set_m = 7;
		set_d = 31;
	}else if((eval(document.quick.ciDateM.options[document.quick.ciDateM.options.selectedIndex].value) == 10) && 
		eval(document.quick.ciDateD.options[document.quick.ciDateD.options.selectedIndex].value)==31){
		set_m = 9;
		set_d = 31;
	}else if((eval(document.quick.ciDateM.options[document.quick.ciDateM.options.selectedIndex].value) == 3) && 
		eval(document.quick.ciDateD.options[document.quick.ciDateD.options.selectedIndex].value)==31){
		set_m = 2;
		set_d = 31;
	}
    myDate = addDate(set_y, set_m ,set_d, 1);
	currYear    = myDate.getFullYear();
	currMonth   = myDate.getMonth();
	currDate    = myDate.getDate();
	document.quick.coDateY.selectedIndex = yearIndex(currYear);
	document.quick.coDateM.selectedIndex = currMonth;
	document.quick.coDateD.selectedIndex = currDate-1;
}