function allineadate(mioForm){ 
		var date = (mioForm.checkin.value);
		var datasplit = date.split("/");
		newdata = new Date(datasplit[2],(datasplit[1]-1),datasplit[0]);
		datain=newdata;
		if(mioForm.checkout.value!=""){
			var date = (mioForm.checkout.value);
			var datasplit = date.split("/");
			newdata = new Date(datasplit[2],(datasplit[1]-1),datasplit[0]);
			dataout=newdata;
		}else{
			dataout=datain;
		}
		if (dataout<=datain){
			dataout.setFullYear(datain.getFullYear());
			dataout.setMonth(datain.getMonth());
			dataout.setDate(datain.getDate()+1);
			costr="";
			if(dataout.getDate()<10){
				costr=costr+"0";
			}
			costr=costr+dataout.getDate()+"/";   
			if((dataout.getMonth()+1)<10){
				costr=costr+"0";
			}
			costr=costr+(dataout.getMonth()+1);
			costr=costr+"/"+dataout.getFullYear();   
			mioForm.checkout.value=costr;
		};
	};