//** Dynamic Drive Equal Columns Height script v1.01 (Nov 2nd, 06)
//** http://www.dynamicdrive.com/style/blog/entry/css-equal-columns-height-script/

var ddequalcolumns = new Object()
//Input IDs (id attr) of columns to equalize. Script will check if each corresponding column actually exists:
ddequalcolumns.columnswatch = ["content","sidebar","page"]

ddequalcolumns.setHeights = function(reset) {
    var tallest = 0
    var resetit = (typeof reset == "string") ? true : false
    for (var i = 0; i < this.columnswatch.length; i++) {
        if (document.getElementById(this.columnswatch[i]) != null) {
            if (resetit)
                document.getElementById(this.columnswatch[i]).style.height = "auto"
            if (document.getElementById(this.columnswatch[i]).offsetHeight > tallest)
                tallest = document.getElementById(this.columnswatch[i]).offsetHeight
        }
    }
    if (tallest > 0) {
        for (var i = 0; i < this.columnswatch.length; i++) {
            if (document.getElementById(this.columnswatch[i]) != null)
                document.getElementById(this.columnswatch[i]).style.height = tallest + "px"
        }
    }
}

ddequalcolumns.resetHeights = function() {
    this.setHeights("reset")
}

ddequalcolumns.dotask = function(target, functionref, tasktype) { //assign a function to execute to an event handler (ie: onunload)
    var tasktype = (window.addEventListener) ? tasktype : "on" + tasktype
    if (target.addEventListener)
        target.addEventListener(tasktype, functionref, false)
    else if (target.attachEvent)
        target.attachEvent(tasktype, functionref)
}

ddequalcolumns.dotask(window, function() { ddequalcolumns.setHeights() }, "load")
ddequalcolumns.dotask(window, function() { if (typeof ddequalcolumns.timer != "undefined") clearTimeout(ddequalcolumns.timer); ddequalcolumns.timer = setTimeout("ddequalcolumns.resetHeights()", 200) }, "resize")