//dynamic style switching to show image upload previews
function updatepreview() {
	strUrl = document.getElementById('upfile').value;
	e = document.getElementById('imgPreview');
	
	// local preview (if on Windows, add the file:// prefix)
	e.src = "file://" + strUrl;
	
	if (strUrl.length > 0) {
		e.style.display = "inline";
	} else {
		e.style.display = "none";
	}
}


function triviaToggle(t)
{
   q = document.getElementById('triviaQuestion')
   a = document.getElementById('triviaAnswer')
   
   if(t=='q')
   {
      a.style.display='none'
      q.style.display='block'
   }
   else
   if(t=='a')
   {
      a.style.display='block'
      q.style.display='none'
   }
}


function preview_image(img, strpath) {
	strUrl = strpath;
	e = document.getElementById(img);
	
	// local preview (if on Windows, add the file:// prefix)
	e.src = "file://" + strUrl;
	/*
	if (window.navigator.platform.toLowerCase().indexOf("win") != -1) {
		e.src = "file://" + strUrl;
	} else {
		e.src = strUrl;
	}
	*/
	
	
	if (strUrl.length > 0) {
		e.style.display = "inline";
	} else {
		e.style.display = "none";
	}
}

function blursearch(f) {
	if (f.value=="show all") {
		f.value = " ";	
		//document.getElementById('q').value = " ";
	}
}



function suppress_images() {
    var mysheet=document.styleSheets[1];
    var myrules=mysheet.cssRules? mysheet.cssRules: mysheet.rules;
    for (i=0; i<myrules.length; i++){
        //alert(myrules[i].selectorText.toLowerCase());
        if(myrules[i].selectorText.toLowerCase()==".tdfilmcell .thumb"){ 
            targetrule=myrules[i];
            break;
        }
    }
    targetrule.style.display = 'none';
    window.print();
    //targetrule.style.display = 'inline';
}

/* ------------------------------------------------ */



// ---
/*
    Written by Jonathan Snook, http://www.snook.ca/jonathan
    Add-ons by Robert Nyman, http://www.robertnyman.com
*/
function getElementsByClassName(oElm, strTagName, strClassName){
	var arrElements = (strTagName == "*" && oElm.all)? oElm.all : oElm.getElementsByTagName(strTagName);
	var arrReturnElements = new Array();
	strClassName = strClassName.replace(/\-/g, "\\-");
	var oRegExp = new RegExp("(^|\\s)" + strClassName + "(\\s|$)");
	var oElement;
	for(var i=0; i<arrElements.length; i++){
		oElement = arrElements[i];		
		if(oRegExp.test(oElement.className)){
			arrReturnElements.push(oElement);
		}	
	}
	return (arrReturnElements)
}
// ---
// Revised version May 11th 2007
function getElementsByClassName(className, tag, elm){
	var testClass = new RegExp("(^|\\s)" + className + "(\\s|$)");
	var tag = tag || "*";
	var elm = elm || document;
	var elements = (tag == "*" && elm.all)? elm.all : elm.getElementsByTagName(tag);
	var returnElements = [];
	var current;
	var length = elements.length;
	for(var i=0; i<length; i++){
		current = elements[i];
		if(testClass.test(current.className)){
			returnElements.push(current);
		}	
	}
	return returnElements;
}
// ---
/*
	Revised to support looking for multiple class names,
	no matter in which order they're applied to the element
*/
function getElementsByClassName(oElm, strTagName, oClassNames){
	var arrElements = (strTagName == "*" && oElm.all)? oElm.all : oElm.getElementsByTagName(strTagName);
	var arrReturnElements = new Array();
	var arrRegExpClassNames = new Array();
	if(typeof oClassNames == "object"){
		for(var i=0; i<oClassNames.length; i++){
			arrRegExpClassNames.push(new RegExp("(^|\\s)" + oClassNames[i].replace(/\-/g, "\\-") + "(\\s|$)"));
		}
	}
	else{
		arrRegExpClassNames.push(new RegExp("(^|\\s)" + oClassNames.replace(/\-/g, "\\-") + "(\\s|$)"));
	}
	var oElement;
	var bMatchesAll;
	for(var j=0; j<arrElements.length; j++){
		oElement = arrElements[j];
		bMatchesAll = true;
		for(var k=0; k<arrRegExpClassNames.length; k++){
			if(!arrRegExpClassNames[k].test(oElement.className)){
				bMatchesAll = false;
				break;
			}
		}
		if(bMatchesAll){
			arrReturnElements.push(oElement);
		}
	}
	return (arrReturnElements)
}
// ---
// Array support for the push method in IE 5
if(typeof Array.prototype.push != "function"){
	Array.prototype.push = ArrayPush;
	function ArrayPush(value){
		this[this.length] = value;
	}
}
// ---
/*
	Examples of how to call the function:
	
	To get all a elements in the document with a "info-links" class:
    getElementsByClassName(document, "a", "info-links");
    
	To get all div elements within the element named "container", with a "col" and a "left" class:
    getElementsByClassName(document.getElementById("container"), "div", ["col", "left"]);
*/
// ---