var popupWindow = null;
function positionedPopup(url,winName,w,h,t,l,scroll){
settings =
'height='+h+',width='+w+',top='+t+',left='+l+',scrollbars='+scroll+',resizable'
popupWindow = window.open(url,winName,settings)
}

function opening() {
flag="blurb"
}

function divShow(divShowName) {
Reference = eval("document.getElementById('" + divShowName + "').style")
Reference.display = "block";
flag = divShowName
}

function divHide(divHideName) {
Reference = eval("document.getElementById('" + divHideName + "').style")
Reference.display = "none"
}

// scroll to top script
var goto_top_type = -1;
var goto_top_itv = 0;

function goto_top_timer() {
var y = goto_top_type == 1 ? document.documentElement.scrollTop : document.body.scrollTop;
//alert(y);
var moveby = 5; // set this to control scroll speed. minimum is fast

y -= Math.ceil(y * moveby / 100);
if (y < 0)
y = 0;

if (goto_top_type == 1)
document.documentElement.scrollTop = y;
else
document.body.scrollTop = y;

if (y == 0) {
clearInterval(goto_top_itv);
goto_top_itv = 0;
}
}

function goto_top() {
if (goto_top_itv == 0) {
if (document.documentElement && document.documentElement.scrollTop)
goto_top_type = 1;
else if (document.body && document.body.scrollTop)
goto_top_type = 2;
else
goto_top_type = 0;

if (goto_top_type > 0)
goto_top_itv = setInterval('goto_top_timer()', 25);
}
}
