function limitChars(textid, limit, infodiv)
{
var text = $('#'+textid).val(); 
var textlength = text.length;
if(textlength > limit)
{
$('#' + infodiv).html('You cannot write more then '+limit+' characters!');
 $('#'+textid).val(text.substr(0,limit));
 return false;
 }
 else
 {
 $('#' + infodiv).html('You have '+ (limit - textlength) +' characters left.');
 return true;
 }
 }
 

//function to preview an image on rollover
this.imagePreview = function(){	
	xOffset = 10;
	yOffset = 30;
	$("a.preview").hover(function(e){
		this.t = this.title;
		this.title = "";	
		var c = (this.t != "") ? "<br/>" + this.t : "";
		$("body").append("<p id='preview'><img src='"+ this.href +"' alt='Image preview' />"+ c +"</p>");								 
		$("#preview")
			.css("top",(e.pageY - xOffset) + "px")
			.css("left",(e.pageX + yOffset) + "px")
			.fadeIn("fast");						
    },
	function(){
		this.title = this.t;	
		$("#preview").remove();
    });	
	$("a.preview").mousemove(function(e){
		$("#preview")
			.css("top",(e.pageY - xOffset) + "px")
			.css("left",(e.pageX + yOffset) + "px");
	});			
};