function imgSwap(oImg){
	   var strOver  = ".out"    // image to be used with mouse over
	   var strOff = ".over"     // normal image
	   var strImg = oImg.src
	   if (strImg.indexOf(strOver) != -1) 
	      oImg.src = strImg.replace(strOver,strOff)
	   else
	      oImg.src = strImg.replace(strOff,strOver)
	}
	
	function ajaxToolTip(post_id) { 
		var url = 'inc/getdateinfo.php';
		var pars = { post_id: post_id };
		var ajax = new Ajax.Updater({success: 'events'},url,{method: 'post', parameters: pars, onFailure: reportError});
		Effect.BlindDown('events', { duration:1.5 });
	}
	
	function reportError(request) {
		$F('events') = "Error";
	}
	
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 + ")";
}