var dragapproved = false
var zcor, xcor, ycor

function ietruebody() {
    return (document.compatMode && document.compatMode != "BackCompat") ? document.documentElement : document.body
}

function movescontentmain() {
    if (event.button == 1 && dragapproved) {
        zcor.style.pixelLeft = tempvar1 + event.clientX - xcor
        zcor.style.pixelTop = tempvar2 + event.clientY - ycor
        leftpos = document.all.scontentmain.style.pixelLeft - ietruebody().scrollLeft
        toppos = document.all.scontentmain.style.pixelTop - ietruebody().scrollTop
        return false
    }
}
function dragscontentmain() {
    if (!document.all)
        return
    if (event.srcElement.id == "scontentbar") {
        dragapproved = true
        zcor = scontentmain
        tempvar1 = zcor.style.pixelLeft
        tempvar2 = zcor.style.pixelTop
        xcor = event.clientX
        ycor = event.clientY
        document.onmousemove = movescontentmain
    }
}
document.onmousedown = dragscontentmain
document.onmouseup = new Function("dragapproved=false")