var leftdiv = 0;
var rightdiv = 0;
var centerdiv = 0;

if (document.getElementById("s5_middlecontentbarleft")) {
leftdiv = document.getElementById("s5_middlecontentbarleft").offsetHeight;
}

if (document.getElementById("s5_middlecontentbarright")) {
rightdiv = document.getElementById("s5_middlecontentbarright").offsetHeight;
}

if (document.getElementById("s5_middlecontentbarcenter")) {
centerdiv = document.getElementById("s5_middlecontentbarcenter").offsetHeight;
}

if (leftdiv >= rightdiv && leftdiv >= centerdiv && leftdiv > 0 && rightdiv > 0) {

document.getElementById("s5_middlecontentbarcenter").style.height = leftdiv + 30 + "px";
document.getElementById("s5_middle").style.height = leftdiv + 30 + "px";
document.getElementById("s5_middlecontent").style.height = leftdiv + 30 + "px";
document.getElementById("s5_middlecontentbarright").style.height = leftdiv + 30 + "px";
document.getElementById("s5_middlecontentbarleft").style.height = leftdiv + 30 + "px";
document.getElementById("s5_leftmiddle").style.height = leftdiv + 30 + "px";
document.getElementById("s5_rightmiddle").style.height = leftdiv + 30 + "px";
document.getElementById("s5_middlecontentwrap").style.height = leftdiv + 30 + "px";

}

if (rightdiv >= leftdiv && rightdiv >= centerdiv && leftdiv > 0 && rightdiv > 0) {

document.getElementById("s5_middlecontentbarcenter").style.height = rightdiv + 30 + "px";
document.getElementById("s5_middle").style.height = rightdiv + 30 + "px";
document.getElementById("s5_middlecontent").style.height = rightdiv + 30 + "px";
document.getElementById("s5_middlecontentbarright").style.height = rightdiv + 30 + "px";
document.getElementById("s5_middlecontentbarleft").style.height = rightdiv + 30 + "px";
document.getElementById("s5_leftmiddle").style.height = rightdiv + 30 + "px";
document.getElementById("s5_rightmiddle").style.height = rightdiv + 30 + "px";
document.getElementById("s5_middlecontentwrap").style.height = rightdiv + 30 + "px";

}

if (centerdiv >= rightdiv && centerdiv >= leftdiv && leftdiv > 0 && rightdiv > 0) {

document.getElementById("s5_middlecontentbarcenter").style.height = centerdiv + 30 + "px";
document.getElementById("s5_middle").style.height = centerdiv + 30 + "px";
document.getElementById("s5_middlecontent").style.height = centerdiv + 30 + "px";
document.getElementById("s5_middlecontentbarright").style.height = centerdiv + 30 + "px";
document.getElementById("s5_middlecontentbarleft").style.height = centerdiv + 30 + "px";
document.getElementById("s5_leftmiddle").style.height = centerdiv + 30 + "px";
document.getElementById("s5_rightmiddle").style.height = centerdiv + 30 + "px";
document.getElementById("s5_middlecontentwrap").style.height = centerdiv + 30 + "px";

}

if (leftdiv == "0" && rightdiv =="0") {

document.getElementById("s5_middlecontentbarcenter").style.height = centerdiv + 30 + "px";
document.getElementById("s5_middle").style.height = centerdiv + 30 + "px";
document.getElementById("s5_middlecontent").style.height = centerdiv + 30 + "px";
document.getElementById("s5_middlecontentwrap").style.height = centerdiv + 30 + "px";

}