function zandaka(){
		kankin=document.form1.kankin.value;
		start=document.form1.text2.value;
		jikan=document.form1.text4.value;
		kitaiti=document.form1.text4.value;
		document.form1.text3.value=prs()+addFigure(parseInt((-1)*(25-(jikan*1200*1.2-((4736-(48*99*start)/(250+3*start)*(3+5410/399.65))*jikan))/4800/jikan/1.2*25*form1.kankin.value)*jikan*192*1.2));
		}
		function addFigure(str){
		var num=new String(str).replace(/,/g,"");
		while(num!=(num=num.replace(/^(-?\d+)(\d{3})/,"$1,$2")));
		return num;
		}
		function prs(){
			if((parseInt((-1)*(25-(jikan*1200*1.2-((4736-(48*99*start)/(250+3*start)*(3+5410/399.65))*jikan))/4800/jikan/1.2*25*form1.kankin.value)*jikan*192*1.2))>0==true){
				return "+";
			}
			else{
				return "";
			}
		}