ww=832;
hh=642;
var height=0;
var width=0;
if (self.screen) // for NN4 and IE4
   {
	width = screen.width
	height = screen.height }
    else if (self.java) // for NN3 with enabled Java
   {
	var jkit = java.awt.Toolkit.getDefaultToolkit();
	var scrsize = jkit.getScreenSize();
	width = scrsize.width;
	height = scrsize.height;
	}
    if (width > 0 && height > 0)
        {
                xc=width/2-ww/2;
                yc=height/2-hh/2;
        }
        else
        {
       xc=0;
       yc=0;
        }

	function getrandom() {
	var min_random = 0;
	var max_random = 10;
	max_random++;
	var range = max_random - min_random;
	var n=Math.floor(Math.random()*range) + min_random;
	return n;
	}
        function wndopen(name,widthWnd,heightWnd)
        {
                window.open(name,"_blank",'scrollbars=yes left='+xc+' top='+yc+' width='+widthWnd+',height='+heightWnd)
        }

function newWin1(x,y,img)
{
  img1=getrandom();
  nW=window.open('','versta','width='+x+',height='+y+',menubar=no,location=no,resizable=no,scrollbars=no');
  nW.document.writeln('<html><head><title>&quot;Верст-А&quot; - прокат автомобилей</title>');
  nW.document.writeln('<meta http-equiv="Content-Type" content="text/html; charset=windows-1251"></head>');
  nW.document.writeln('<body leftmargin="0" topmargin="0" marginwidth="0" marginheight="0">');
  nW.document.writeln('<table width="100%" height="100%" border="0" cellpadding="0" cellspacing="0"><tr><td align="center" valign="middle"><a href="#" onClick="javascript:window.close();" title="Закрыть окно"><img src="pics/' + img + '" alt="Закрыть окно" border=0></td></tr></table>');
  nW.document.writeln('</body></html>');
  nW.focus();
}

/* calc */
function dofriday ()
{
if(document.getElementById('cheker').checked == true) {document.getElementById('nofriday').style.display="none"; }
if(document.getElementById('cheker').checked == false) {document.getElementById('nofriday').style.display="block"; }
}

function calcgo () {
	var nday = document.getElementById('numday').value;
	var carcost = "";
	if (document.getElementById('cartype').value=="4") {
		if (nday > 0 && nday <= 3) {carcost = "700";}
		if (nday > 3 && nday <= 7) {carcost = "660";}
		if (nday > 7 && nday <= 15) {carcost = "630";}
		if (nday > 15 && nday <= 30) {carcost = "600";}
		if (nday > 30) {carcost = "560";}
		if(document.getElementById('cheker').checked == true) {carcost = "630"; cc = "1890";}
	}
	if (document.getElementById('cartype').value=="5") {
		if (nday > 0 && nday <= 3) {carcost = "680";}
		if (nday > 3 && nday <= 7) {carcost = "650";}
		if (nday > 7 && nday <= 15) {carcost = "610";}
		if (nday > 15 && nday <= 30) {carcost = "580";}
		if (nday > 30) {carcost = "550";}
		if(document.getElementById('cheker').checked == true) {carcost = "610"; cc = "1830";}
	}
	if (document.getElementById('cartype').value=="9" || document.getElementById('cartype').value=="99") {
		if (nday > 0 && nday <= 3) {carcost = "870";}
		if (nday > 3 && nday <= 7) {carcost = "840";}
		if (nday > 7 && nday <= 15) {carcost = "800";}
		if (nday > 15 && nday <= 30) {carcost = "770";}
		if (nday > 30) {carcost = "740";}
		if(document.getElementById('cheker').checked == true) {carcost = "766.6"; cc = "2300";}
	}
	if (document.getElementById('cartype').value=="10" || document.getElementById('cartype').value=="11") {
		if (nday > 0 && nday <= 3) {carcost = "1000";}
		if (nday > 3 && nday <= 7) {carcost = "970";}
		if (nday > 7 && nday <= 15) {carcost = "950";}
		if (nday > 15 && nday <= 30) {carcost = "900";}
		if (nday > 30) {carcost = "850";}
		if(document.getElementById('cheker').checked == true) {carcost = "900"; cc = "2700";}
	}
	if (document.getElementById('cartype').value=="14") {
		if (nday > 0 && nday <= 3) {carcost = "880";}
		if (nday > 3 && nday <= 7) {carcost = "850";}
		if (nday > 7 && nday <= 15) {carcost = "810";}
		if (nday > 15 && nday <= 30) {carcost = "780";}
		if (nday > 30) {carcost = "750";}
		if(document.getElementById('cheker').checked == true) {carcost = "783.3"; cc = "2350";}
	}
//Total cost
	if (document.getElementById('cheker').checked == false) {	
		if (nday > 1) {var cc = ((nday - 1) * carcost);}
		else {var cc = (nday * carcost);}
		}
	if (carcost=="") {
		document.getElementById('commoncost').value="";
		document.getElementById('sytki').value="";
		alert ("Внимание! Для расчета стоимости должны быть заполнены все поля.");
	} else {
//   	3% discount
//   	carcost = carcost - carcost*0.03;
//	    cc = cc - cc*0.03;
//      integral value
     	carcost = parseInt(carcost);
      	cc = parseInt(cc);

      	carcost=carcost+=' руб.';
	    cc = cc+=' руб.';
	    document.getElementById('commoncost').value=cc;
	    document.getElementById('sytki').value=carcost;
	}
}