var ean,reading = true;
var zboziNaDokladu = '';
var tab = '';
var poleZbozi = new Array();

function DisplayLine(Prefix,Id,Vantity){
	for(i=1;i<=Vantity;i++){
		document.getElementById(Prefix+i).style.display = 'none';
	}
	var isIE = navigator.appName == 'Microsoft Internet Explorer';
	document.getElementById(Prefix+Id).style.display = isIE ? '' : 'table-row';
} 

function ShowRow(Prefix,Id){
	var isIE = navigator.appName == 'Microsoft Internet Explorer';
	document.getElementById(Prefix+Id).style.display = isIE ? '' : 'table-row';
}

function ShowAndHiddenRows(Prefix,Id,Vantity){
	DisplayLine(Prefix,Id,Vantity);
}

function HiddenAll(Id,Vantity){
	for(i=1;i<=Vantity;i++){
		document.getElementById(Prefix+i).style.display = 'none';
	}
}

function DisplayAllLines(Id,S){
	for(i=1;i<=S;i++){
		if(document.getElementById(Id+i).style.display == 'none'){
		 var isIE = navigator.appName == 'Microsoft Internet Explorer';
		 document.getElementById(Id+i).style.display = isIE ? '' : 'table-row';
		} else {
		 document.getElementById(Id+i).style.display = 'none';
		}		
	}
} 

function ShowItem(Id) {
	document.getElementById(Id).style.display='block';
}
function HiddenItem(Id) {
	document.getElementById(Id).style.display='none';
}
function ShowOrHiddenItem(Id) {
	if(document.getElementById(Id).style.display == 'none'){
	  var isIE = navigator.appName == 'Microsoft Internet Explorer';
	  document.getElementById(Id).style.display = isIE ? 'block' : 'block';
	} else {
	  document.getElementById(Id).style.display = 'none';
	}		
}
function ShowOrHiddenRow(Id) {
	if(document.getElementById(Id).style.display == 'none'){
	  var isIE = navigator.appName == 'Microsoft Internet Explorer';
	  document.getElementById(Id).style.display = isIE ? '' : 'table-row';
	} else {
	  document.getElementById(Id).style.display = 'none';
	}		
}

function kontrolaIcoZnak(e) {
      if (e.ctrlKey) {
         return true;
      } else {
         var keynum;
         var keychar;
         var numcheck;
         
         if(window.event) {
            // IE
            keynum = e.keyCode;
         } else if(e.which) {
            // Netscape/Firefox/Opera
            keynum = e.which;
         }
         keychar = String.fromCharCode(keynum);
         numcheck = /\d|-|\.|\,/;
         
         if (numcheck.test(keychar) || e.keyCode == 37 || e.keyCode == 39 || e.keyCode == 8 || e.keyCode == 46 || e.keyCode == 35 || e.keyCode == 36 || e.keyCode == 9 || e.keyCode == 13 || e.keyCode == 46 || e.keyCode == 44)
            return true;
         else
            return false;
      }
}

function kontrolaInt(e) {
      if (e.ctrlKey) {
         return true;
      } else {
         var keynum;
         var keychar;
         var numcheck;
         
         if(window.event) {
            // IE
            keynum = e.keyCode;
         } else if(e.which) {
            // Netscape/Firefox/Opera
            keynum = e.which;
         }
         keychar = String.fromCharCode(keynum);
         numcheck = /\d|-/;
        
         if (numcheck.test(keychar) || e.keyCode == 37 || e.keyCode == 39 || e.keyCode == 8 || e.keyCode == 46 || e.keyCode == 35 || e.keyCode == 36 || e.keyCode == 9 || e.keyCode == 13)
            return true;
         else
            return false;
      }
}