function SubmitForm(page) {	
	var sid = "PHPSESSID=r9cob14of0g38caak2noqugpe1";
	if (sid != "") {
		if (page.indexOf("?") > 0)
			separator = "&";
		else
			separator = "?";
		page = page + separator + sid;
	}	
	document.forms[0].action = page;
	document.forms[0].submit(); 
}

function mouser(){
	if (event.button==2) alert ("HL Propan s.r.o.");
}


function ReturnBack() {
	SubmitForm('register.php');
}

function DoReturnBack() {
	SubmitForm(".php");			
}

function Resize(w_object, w_offset, w_min, h_object, h_offset, h_min) {
	if (w_object) {
		var size = WinWidth();
		if (size < 300) size = 300;
		w_object.style.width = size - w_offset;
	}
	if (h_object) {
		var size = WinHeight();
		if (size < h_min) size = h_min;
		h_object.style.height = size - h_offset;
		/*alert(size+" "+h_object.style.height);*/
	}
}

function WinHeight() {
   if (window.innerHeight)
      /* NN4 a kompatibilní prohlížeče */
      return window.innerHeight;
   else if (document.documentElement && document.documentElement.clientHeight)
   /* MSIE6 v std. režimu - Opera a Mozilla již uspěly s window.innerHeight */
      return document.documentElement.clientHeight;
   else if (document.body && document.body.clientHeight)
      /* starší MSIE + MSIE6 v quirk režimu */
      return document.body.clientHeight;
   else
      return null;
}

function WinWidth() {
   if (window.innerWidth)
      /* NN4 a kompatibilní prohlížeče */
      return window.innerWidth;
   else if (document.documentElement && document.documentElement.clientWidth)
   /* MSIE6 v std. režimu - Opera a Mozilla již uspěly s window.innerWidth */
      return document.documentElement.clientWidth;
   else if (document.body && document.body.clientWidth)
      /* starší MSIE + MSIE6 v quirk režimu */
      return document.body.clientWidth;
   else
      return null;
}

function HttpRequest(func)
{
	var http_request;
	if (window.XMLHttpRequest) 
		http_request = new XMLHttpRequest();
	else 
		if (window.ActiveXObject) {
			try { 
				http_request = new ActiveXObject("Msxml2.XMLHTTP");
			} catch (eror) { 
				http_request = new ActiveXObject("Microsoft.XMLHTTP");
			}
		}			 			
	http_request.open("POST", "functions.php", true);
	http_request.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
	http_request.onreadystatechange = func;
	return http_request;
}

function HlPropan() {
	SubmitForm("http://hlpropan.cz");
}

function ValidateNumber() {
	document.getElementById("reductor").value = document.getElementById("reductor").value.toUpperCase();   // na velká písmena
    var nr = document.getElementById("reductor");
    var xa = /^(EN[0-9]{6}$)/; 	
    var rxa = /^(REN[0-9]{6}$)/; 	
    var xb = /^(VN[0-9]{6}$)/;
    var rxb = /^(RVN[0-9]{6}$)/; 	
    var xc = /^(MI[0-9]{6}$)/;
    var rxc = /^(RMI[0-9]{6}$)/;
    var xf = /^(MC[0-9]{4,6}$)/;
    var rxf = /^(RMC[0-9]{4,6}$)/;
    var xd = /^(B[A-Z]{2}[0-9]{4}$)/;
    var rxd = /^(RB[A-Z]{2}[0-9]{4}$)/; 	
    var xe = /^(C[A-Z]{2}[0-9]{4}$)/; 	
    var re = /^(RC[A-Z]{2}[0-9]{4}$)/; 		
    var nrp = (xa.test(nr.value) || rxa.test(nr.value) || xb.test(nr.value) || rxb.test(nr.value) || xc.test(nr.value) || rxc.test(nr.value) || xd.test(nr.value) || rxd.test(nr.value) || xe.test(nr.value) || xf.test(nr.value) || rxf.test(nr.value) || re.test(nr.value)) && (nr.value.length >=6); //volba typu císel a písmen
    if ((!nrp)&& (nr.value.length >=9)) {alert("Chybné číslo reduktoru"); nr.focus(); nr.select();}
    
    return (nrp);
}