window.onload = init;

function init() {
changeboxHeight();
externalLinks();
}

function changeboxHeight(){
var DivHeight = document.getElementById('boxRightZavody').offsetHeight;
if 	(DivHeight >= 253){
var obj=document.getElementById('boxZajimavosti');
obj.setAttribute("style", obj.getAttribute("style") + "; float:left; ");}
}

function externalLinks() {
if (!document.getElementsByTagName) return;
var anchors = document.getElementsByTagName("a");
for (var i=anchors.length-1; i>=0; i--) {
var anchor = anchors[i];
if (anchor.className && anchor.className == "targetBlank")
anchor.target = "_blank";
}
}