function onLoadHome() {
    setOpacity(document.getElementById("navschoolsmgmt"), 0.75);
    setOpacity(document.getElementById("navschoolsedu"), 0.75);
    setOpacity(document.getElementById("navschoolsbio"), 0.75);
    setOpacity(document.getElementById("navschoolseng"), 0.75);
}

function onLoadSchool(selectedschool,selectedtab) {
    var schools= new Array(4);
    schools[0]="navschoolsmgmt";
    schools[1]="navschoolsedu";
    schools[2]="navschoolsbio";
    schools[3]="navschoolseng";
    
    var intSchoolCounter=0;
    for(intSchoolCounter=0;intSchoolCounter<4;intSchoolCounter++) {
        if(selectedschool!=intSchoolCounter){
            setOpacity(document.getElementById(schools[intSchoolCounter]), 0.75);    
        }
    }
    
    var tabs= new Array(6);
    tabs[0]="tabsoverview";
    tabs[1]="tabsdegree";
    tabs[2]="tabsnews";
    tabs[3]="tabsfaculty";
    tabs[4]="tabsintern";
    tabs[5]="tabsfaq";
    
    var intTabCounter=0;
    for(intTabCounter=0;intTabCounter<6;intTabCounter++) {
        if(selectedtab!=intTabCounter){
            setOpacity(document.getElementById(tabs[intTabCounter]), 0.75);    
        }
    }                               
}

function setOpacity(element, opacity) {
    if (navigator.userAgent.indexOf("MSIE") != -1) {
        var normalized = Math.round(opacity * 100)
        element.style.filter = "alpha(opacity=" + normalized + ")";
    } else {
        element.style.opacity = opacity;
    }
}