function MM_jumpMenu(targ,selObj,restore){ //v3.0
  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex=0;
}

function showimage(obrazek,sirka,vyska)  {
     var obj=document.getElementById('bigimg');
     obj.style.display="block";
     obj.style.width=sirka;
     obj.style.height=vyska;
     if(obj.innerHTML='<img src="'+obrazek+'" width="'+sirka+'" height="'+vyska+'" /> '){ return true; } else {return false; }
    }
	

function zobraz_uni1(sirka,vyska,obr,popis){

	var radek = "toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=0,resizable=1,width=";
	radek += sirka;
	radek += ",height=";
	radek += vyska;
	radek += ",top=20,left=20";
	
	var popupURL = "det_uni_all.php";
	  popupURL +=     "?Obr=";
	  popupURL +=     obr;
	   popupURL +=     "&Sirka=";
	  popupURL +=     sirka;
	  popupURL +=     "&Vyska=";
	  popupURL +=     vyska;
	   popupURL +=     "&Popis=";
	  popupURL +=     popis;
	  
	window.open(popupURL,'Detail', radek);
}


/***********************************************
* Email Validation script- © Dynamic Drive (www.dynamicdrive.com)
* This notice must stay intact for legal use.
* Visit http://www.dynamicdrive.com/ for full source code
***********************************************/

var emailfilter=/^\w+[\+\.\w-]*@([\w-]+\.)*\w+[\w-]*\.([a-z]{2,4}|\d+)$/i

function checkmail(e){
var returnval=emailfilter.test(e.value)
if (returnval==false){
alert("Please enter a valid email address.")
e.select()
}
return returnval
}


function SelectText(theField) {
var tempval=eval("document."+theField)
tempval.focus()
tempval.select()
}