//*******************************************************************************************************
//Toggle the display of a div element
function toggleDisplay(divId) {
	var div = document.getElementById(divId);
	div.style.display = (div.style.display=="block" ? "none" : "block");
}
//*******************************************************************************************************
//Overlay information on a page
function overlay(item) {
	var el = document.getElementById("overlay");
	el.style.display = (el.style.display == "block" ? "none" : "block");
	
    var jl = document.getElementById(item);
	jl.style.display = (jl.style.display == "block" ? "none" : "block");
}
//*******************************************************************************************************
//Slowly make a div disapear!
function opacity(id, opacStart, opacEnd, millisec) {
    //speed for each frame
    var speed = Math.round(millisec / 100);
    var timer = 0;

    //determine the direction for the blending, if start and end are the same nothing happens
    if(opacStart > opacEnd) {
        for(i = opacStart; i >= opacEnd; i--) {
            setTimeout("changeOpac(" + i + ",'" + id + "')",(timer * speed));
            timer++;
        }
    } else if(opacStart < opacEnd) {
        for(i = opacStart; i <= opacEnd; i++)
            {
            setTimeout("changeOpac(" + i + ",'" + id + "')",(timer * speed));
            timer++;
        }
    }
}

//change the opacity for different browsers
function changeOpac(opacity, id) {
    var object = document.getElementById(id).style;
    object.opacity = (opacity / 100);
    object.MozOpacity = (opacity / 100);
    object.KhtmlOpacity = (opacity / 100);
    object.filter = "alpha(opacity=" + opacity + ")";
	
	if(opacity == 0) {
		fl = document.getElementById(id);
		fl.style.display = "none";
	}
}
//*******************************************************************************************************
//Check to make sure we want to delete this item
function checkDelete(id) {
	errormsg = 'Are you sure you wish to delete this item?';
	result=confirm(errormsg);
	if (result==true) { 
		// OK is clicked
		window.location = 'resource_delete.php?id=' + id;
	} else {
		//Cancel is clicked
	}
}
//*******************************************************************************************************
//Check to make sure we want to delete this user
function checkDeleteUser(id) {
	errormsg = 'Are you sure you wish to delete this user?';
	result=confirm(errormsg);
	if (result==true) { 
		// OK is clicked
		window.location = 'admin_delete_user.php?id=' + id;
	} else {
		//Cancel is clicked
	}
}