var Opera = window.opera;
var iCab = (navigator.userAgent.indexOf("iCab",0) != -1);

function jmp(Obj) {
	if ( !Obj.options[Obj.selectedIndex].value ) {
		if (navigator.appVersion.indexOf('MSIE 5') != -1) {
			Obj.options[0].click();
		}
	} else {
		if (parent) parent.location.href = Obj.options[Obj.selectedIndex].value;
		else location.href = Obj.options[Obj.selectedIndex].value;
	}
}

function getScrollLeft() {
 if ((navigator.appName.indexOf("Microsoft Internet Explorer", 0) != -1)) {
  return document.body.scrollLeft;
 } else if (window.pageXOffset) {
  return window.pageXOffset;
 } else {
  return 0;
 }
}

function getScrollTop() {
 if ((navigator.appName.indexOf("Microsoft Internet Explorer", 0) != -1)) {
  return document.body.scrollTop;
 } else if (window.pageYOffset) {
  return window.pageYOffset;
 } else {
  return 0;
 }
}

var pageScrollTimer;
function pageScroll(toX,toY,frms,cuX,cuY) {
 if (pageScrollTimer) clearTimeout(pageScrollTimer);
 if (!toX || toX < 0) toX = 0;
 if (!toY || toY < 0) toY = 0;
 if (!cuX) cuX = 0 + getScrollLeft();
 if (!cuY) cuY = 0 + getScrollTop();
 if (!frms) frms = 6;

 cuX += (toX - getScrollLeft()) / frms; if (cuX < 0) cuX = 0;
 cuY += (toY - getScrollTop()) / frms;  if (cuY < 0) cuY = 0;
 var posX = Math.floor(cuX);
 var posY = Math.floor(cuY);
 window.scrollTo(posX, posY);

 if (posX != toX || posY != toY) {
  pageScrollTimer = setTimeout("pageScroll("+toX+","+toY+","+frms+","+cuX+","+cuY+")",16);
 }
}

function jumpToPageTop() {
 if (!Opera && !iCab) {
  pageScroll(0,0,5);
 } else {
  if (Opera) {
   location.href = "#top";
  } else {
   location.hash = "top";
  }
 }
}