// JavaScript Document
//lśćąę

var DebugMode=false; //Show Alerts

function ReDisplay(id){
	try{
		var Element=document.getElementById(id);
		if(Element.style.display=='' || Element.style.display=='none'){ Element.style.display='block'; }
		else{Element.style.display='none';}
	}catch(err){}
}

function MM_preloadImages(){ //v3.0  
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function validateEmail(email) {
	invalidChars = " /:,;"

	if (email == "") {						// cannot be empty
		return false
	}
	for (i=0; i<invalidChars.length; i++) {	// does it contain any invalid characters?
		badChar = invalidChars.charAt(i)
		if (email.indexOf(badChar,0) > -1) {
			return false
		}
	}
	atPos = email.indexOf("@",1)			// there must be one "@" symbol
	if (atPos == -1) {
		return false
	}
	if (email.indexOf("@",atPos+1) != -1) {	// and only one "@" symbol
		return false
	}
	periodPos = email.indexOf(".",atPos)
	if (periodPos == -1) {					// and at least one "." after the "@"
		return false
	}
	if (periodPos+3 > email.length)	{		// must be at least 2 characters after the "."
		return false
	}
	return true
}

function CheckFormContact(){
	var error = "";
	if (document.contact_formd.formd_name.value==""){ error += "Please enter Your Name.\n"; }
	if (document.contact_formd.formd_email.value==""){ error += "Please enter E-mail.\n";	}
	if (document.contact_formd.formd_enquiry.value==""){ error += "Please enter Enquiry.\n"; }
	if (error!= "") { alert(error); return false;	}
	else { return true;	}
}

function CheckFormRequestProposal(){
	var error = "";
	if (document.contact_formd.formd_interested.value==""){ error += "Please enter Your Interested in.\n"; }
	if (document.contact_formd.formd_name.value==""){ error += "Please enter Your Name.\n"; }
	if (document.contact_formd.formd_email.value==""){ error += "Please enter E-mail.\n";	}
	else{ if(!validateEmail(document.contact_formd.formd_email.value)){ error += "Incorrect E-mail address.\n"; } }
	
	if (document.contact_formd.formd_enquiry.value==""){ error += "Please enter Enquiry.\n"; }
	if (error!= "") { alert(error); return false;	}
	else { return true;	}
}

function CheckFormBookTicket(){
	var error = "";
	if (document.contact_formd2.formd_name2.value==""){ error += "Please enter Your Name.\n"; }
	if (document.contact_formd2.formd_email2.value==""){ error += "Please enter E-mail.\n";	}
	else{ if(!validateEmail(document.contact_formd2.formd_email2.value)){ error += "Incorrect E-mail address.\n"; } }
	if (document.contact_formd2.formd_enquiry2.value==""){ error += "Please enter Enquiry.\n"; }
	if (error!= "") { alert(error); return false;	}
	else { return true;	}
}

function CheckFormLogin(){
	var error = "";
	if (document.login_formd.formd_login.value==""){ error += "Please enter Login.\n"; }
	if (document.login_formd.formd_pwd.value==""){ error += "Please enter Password.\n";	}
	if (error!= "") { alert(error); return false;	}
	else { return true;	}
}


function setBlur(){ 
	var x = document.getElementsByTagName('a');
	
	for (var i=0;i<x.length;i++){
		x[i].onfocus = function () { this.blur(); }
	}
}

function OpacityOver(This, Level){
	try{ 
		if(Level<0 || Level>100 || Level==''){ Level=70; }
		var Level2=Level/100;
		
		This.style.filter='alpha(opacity=' + Level + ')';
		This.style.opacity=Level2;
	}catch(err){ if(DebugMode==true){ alert('OpacityOver: ' +err); } }
}

function OpacityOut(This){
		This.style.filter='alpha(opacity=100)';
		This.style.opacity='1';
}

function MM_CheckFlashVersion(reqVerStr,msg){
  with(navigator){
    var isIE  = (appVersion.indexOf("MSIE") != -1 && userAgent.indexOf("Opera") == -1);
    var isWin = (appVersion.toLowerCase().indexOf("win") != -1);
    if (!isIE || !isWin){  
      var flashVer = -1;
      if (plugins && plugins.length > 0){
        var desc = plugins["Shockwave Flash"] ? plugins["Shockwave Flash"].description : "";
        desc = plugins["Shockwave Flash 2.0"] ? plugins["Shockwave Flash 2.0"].description : desc;
        if (desc == "") flashVer = -1;
        else{
          var descArr = desc.split(" ");
          var tempArrMajor = descArr[2].split(".");
          var verMajor = tempArrMajor[0];
          var tempArrMinor = (descArr[3] != "") ? descArr[3].split("r") : descArr[4].split("r");
          var verMinor = (tempArrMinor[1] > 0) ? tempArrMinor[1] : 0;
          flashVer =  parseFloat(verMajor + "." + verMinor);
        }
      }
      // WebTV has Flash Player 4 or lower -- too low for video
      else if (userAgent.toLowerCase().indexOf("webtv") != -1) flashVer = 4.0;

      var verArr = reqVerStr.split(",");
      var reqVer = parseFloat(verArr[0] + "." + verArr[2]);
  
      if (flashVer < reqVer){
        if (confirm(msg))
          window.location = "http://www.adobe.com/shockwave/download/download.cgi?P1_Prod_Version=ShockwaveFlash";
      }
    }
  } 
}

document.getElementsByClassName = function(clsName){ /*IE PATH*/
    var retVal = new Array();
    var elements = document.getElementsByTagName("*");
    for(var i = 0;i < elements.length;i++){
        if(elements[i].className.indexOf(" ") >= 0){
            var classes = elements[i].className.split(" ");
            for(var j = 0;j < classes.length;j++){
                if(classes[j] == clsName)
                    retVal.push(elements[i]);
            }
        }
        else if(elements[i].className == clsName)
            retVal.push(elements[i]);
    }
    return retVal;
}

function getUrlVar(SiteUrl,UrlVarName){
		
	var VarsExists=String(SiteUrl).indexOf("?");
	if(VarsExists=='-1'){ return false; }
	var urlHalves = String(SiteUrl).split('?');
	var urlVarValue = '';
	if(urlHalves[1]){
		var urlVars = urlHalves[1].split('&');
		for(var i=0; i<=(urlVars.length); i++){
			if(urlVars[i]){
				var urlVarPair = urlVars[i].split('=');
				if (urlVarPair[0] && urlVarPair[0] == UrlVarName) { urlVarValue = urlVarPair[1]; }
			}
		}
	}
	return urlVarValue;   
}
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