function changeTab(x) {
    //array to store tab DIV ID's
    var tabs = new Array();
    tabs[0] = 'libraryCategory';
    tabs[1] = 'ohioLink';
    tabs[2] = 'courseReserves';


    var obj = new Array();
    var proceed;

    //load DIV's if exists
    with (document) {
        if (getElementById) {
            for (j = 0; j < tabs.length; j++) {
                obj[j] = getElementById(tabs[j]);
            }
            proceed = true;
        }
    }

    //Set the display of each div.  If visible, set to block.  Otherwise, set to none.
    if (proceed) {
        var i;
        for (i in tabs) {
            var lnk = document.getElementById('lnk' + i);
            //alert(lnk.id);
            if (x == i) {
                //eval("obj[i].style.display='block'");
                obj[i].style.display = 'block';
                lnk.className = 'currentLink';      //change anchor styles for current tab
                //alert(lnk.id);                             
            }
            else {
                //eval("obj[i].style.display='none'");
                obj[i].style.display = 'none';
                lnk.className = 'linkTab';      //change anchor styles back to normal tab       
            }
        }
    }
}

function removeText(txtBox){
    if (txtBox.value == 'type here') {
        txtBox.value = '';
    }
    else if (txtBox.value == 'Search for') {
        txtBox.value = '';
     }
}

function gShowHide(elementid)                 
{
	if (document.getElementById(elementid).style.display == 'none')
	{
  	document.getElementById(elementid).style.display = '';
	}
	else
	{
  	document.getElementById(elementid).style.display = 'none';
	}
}


function gHide(elementid) {
    document.getElementById(elementid).style.display = 'none';
}