function JustSoPicWindow(imageName,imageWidth,imageHeight,alt,bgcolor,hugger,hugMargin) {
// by E Michael Brandt of ValleyWebDesigns.com - Please leave these comments intact.
// version 3.0.4  

	if (bgcolor=="") {
		bgcolor="#FFFFFF";
	}
	var adj=10
	var w = screen.width;
	var h = screen.height;
	var byFactor=1;

	if(w<740){
	  var lift=0.90;
	}
	if(w>=740 & w<835){
	  var lift=0.91;
	}
	if(w>=835){
	  var lift=0.93;
	}
	if (imageWidth>w){	
	  byFactor = w / imageWidth;			
	  imageWidth = w;
	  imageHeight = imageHeight * byFactor;
	}
	if (imageHeight>h-adj){
	  byFactor = h / imageHeight;
	  imageWidth = (imageWidth * byFactor);
	  imageHeight = h; 
	}
	   
	var scrWidth = w-adj;
	var scrHeight = (h*lift)-adj;

	if (imageHeight>scrHeight){
  	  imageHeight=imageHeight*lift;
	  imageWidth=imageWidth*lift;
	}

	var posLeft=0;
	var posTop=0;

	if (hugger == "hug image"){
	  if (hugMargin == ""){
	    hugMargin = 0;
	  }
	  var scrHeightTemp = imageHeight - 0 + 2*hugMargin;
	  if (scrHeightTemp < scrHeight) {
		scrHeight = scrHeightTemp;
	  } 
	  var scrWidthTemp = imageWidth - 0 + 2*hugMargin;
	  if (scrWidthTemp < scrWidth) {
		scrWidth = scrWidthTemp;
	  }
	  
	  if (scrHeight<100){scrHeight=100;}
	  if (scrWidth<100){scrWidth=100;}

	  posTop =  ((h-(scrHeight/lift)-adj)/2);
	  posLeft = ((w-(scrWidth)-adj)/2);
 	}

	if (imageHeight > (h*lift)-adj || imageWidth > w-adj){
		imageHeight=imageHeight-adj;
		imageWidth=imageWidth-adj;
	}
	posTop = parseInt(posTop);
	posLeft = parseInt(posLeft);		
	scrWidth = parseInt(scrWidth); 
	popisek = 19;
	if (alt == "Foto" || alt.indexOf("* *") != -1) popisek = 0;
	scrHeight = parseInt(scrHeight) + popisek;
	
	var agt=navigator.userAgent.toLowerCase();
	if (agt.indexOf("opera") != -1){
	  var args= new Array();
	  args[0]='parent';
	  args[1]=imageName;
	  var i ; document.MM_returnValue = false;
	  for (i=0; i<(args.length-1); i+=2) eval(args[i]+".location='"+args[i+1]+"'");
	} else {
	newWindow = window.open("vwd_justso.htm","newWindow","width="+scrWidth+",height="+scrHeight+",left="+posLeft+",top="+posTop);
	newWindow.document.open();
	newWindow.document.write('<html><title>'+alt+'</title>');
	newWindow.document.write('<style>.popisek { font-weight: bold; font-family: Tahoma, Verdana, Arial; font-size: 11px; background-color: #E5590F; color:#FFFFFF; text-align:center; border-color: #000000; border-style: double; border-top-width: 1px; border-right-width: 0px; border-bottom-width: 0px; border-left-width: 0px } </style>');
	newWindow.document.write('<body leftmargin="0" topmargin="0" marginheight="0" marginwidth="0" bgcolor='+bgcolor+' onclick="self.close()">');  
	newWindow.document.write('<table width='+imageWidth+' border="0" cellspacing="0" cellpadding="0" align="center" height='+scrHeight+' ><tr><td height="10">');
	newWindow.document.write('<img src="'+imageName+'" width='+imageWidth+' height='+imageHeight+' alt="kliknutím se okno zavře" >'); 
	newWindow.document.write('</td></tr><tr><td class="popisek">');
	newWindow.document.write(alt);
	newWindow.document.write('</td></tr></table></body></html>');
	newWindow.document.close();
	newWindow.focus();
	}
}

function hl(what,color){
	what.style.backgroundColor=color 
}

function MM_openBrWindow(theURL,winName,features, myWidth, myHeight, isCenter) { //v3.0
  if(window.screen)if(isCenter)if(isCenter=="true"){
    var myLeft = (screen.width-myWidth)/2;
    var myTop = (screen.height-myHeight)/2;
    features+=(features!='')?',':'';
    features+=',left='+myLeft+',top='+myTop;
  }
  ww = window.open(theURL,winName,features+((features!='')?',':'')+'width='+myWidth+',height='+myHeight);
  ww.focus();
}

// Submit kontakt formular ***********************************************************************************
function OnSubmit(obj) {
  if (Validate(obj)) obj.submit();
}

function Validate(obj) {
  var pz = 1; // min. pocet znaku
  with(obj) {
    if (_10_jmeno.value.length < pz){
      window.alert("Prosím zadejte jméno a příjmení / firmu.");
      _10_jmeno.focus();
      return false;		
    }
    if (!isValidEmail(_30_email.value)){
      window.alert("Prosím zadejte e-mailovou adresu ve tvaru jmeno@domena.cz");
      _30_email.focus();
      return false;     	
    }
  }
  return true;
}

function isValidEmail(Email) {
  if (Email.length<4) return false;
  else if (Email.lastIndexOf(' ')!=-1) return false;
  else if (Email.lastIndexOf('\'')!=-1) return false;
  else if ((i=Email.lastIndexOf('@'))==-1) return false;
  else {
    var tail=Email.substring(i+1,Email.length);
    if (tail.length<3) return false;
    else if ((i = tail.lastIndexOf('.'))==-1) return false;
    else {
      var tailend=tail.substring(i+1,tail.length);
      if (tailend.length==0) return false;
    }
  }
  return true;
}
// Submit kontakt formular ***********************************************************************************

