function showpopup (ihtml) {

	var scrolledX, scrolledY;
	if (self.pageYOffset) {
		scrolledX = self.pageXOffset;
		scrolledY = self.pageYOffset;
	} else if (document.documentElement && document.documentElement.scrollTop) {
		scrolledX = document.documentElement.scrollLeft;
		scrolledY = document.documentElement.scrollTop;
	} else if (document.body) {
		scrolledX = document.body.scrollLeft;
		scrolledY = document.body.scrollTop;
	}
	
	var centerX, centerY;
	if (self.innerHeight) {
		centerX = self.innerWidth;
		centerY = self.innerHeight;
	} else if (document.documentElement && document.documentElement.clientHeight) {
		centerX = document.documentElement.clientWidth;
		centerY = document.documentElement.clientHeight;
	} else if (document.body) {
		centerX = document.body.clientWidth;
		centerY = document.body.clientHeight;
	}
	
	var leftOffset = scrolledX + (centerX - 250) / 2;
	var topOffset = scrolledY + (centerY - 200) / 2;
	document.getElementById("mypopup").style.top = topOffset + "px";
	document.getElementById("mypopup").style.left = leftOffset + "px";
	document.getElementById("mypopup").innerHTML = ihtml + document.getElementById("mypopup").innerHTML
	document.getElementById("mypopup").style.display = "block";
}

function hidepopup() {
	document.getElementById('mypopup').style.display = 'none';
	document.getElementById("mypopup").innerHTML = "<br><br><input type='button' value='Cancel' onClick='hidepopup();'>";
}



function checkall(frm,chkd) {
	with (frm) {
		for (var i = 0; i < elements.length; i++) {
			if (elements[i].name.substring(0, 3) == "chk") {
				elements[i].checked = chkd;
			}
		}
	}
}
function addcheckedtofavorites(option) {
	with (frmuser) {
		var nonechecked = true;
		for (var i = 0; i < elements.length; i++) {
			if (elements[i].name.substring(0, 3) == "chk") {
				if (elements[i].checked) {
					nonechecked = false; break;
				}
			}
		}
		if (nonechecked) {
			alert("There are no songs checked."); return false;
		} else {
			if (option == "remove") {remove.value = "1";}
			submit();
		}
	}
}

function movetofolder() {
	with (frmuser) {
		var nonechecked = true;
		for (var i = 0; i < elements.length; i++) {
			if (elements[i].name.substring(0, 3) == "chk") {
				if (elements[i].checked) {
					nonechecked = false; break;
				}
			}
		}
		if (nonechecked) {
			alert("There are no songs checked."); return false;
		} else {
			favorites.value = "2"; ffidto.value = ddfolder.value;
			submit();
		}
	}
}