/*
	EMGFA Page Scripts and utils
	Scripts credited where from outside source 
	Jan 2009
*/

document.observe("dom:loaded", function() {
	
	 $$('a.backtop').each(function(element) {
	    element.observe('click', function(event) {
	      	new Effect.ScrollTo("pagetop");
	    	Event.stop(event);
		}.bindAsEventListener(element))
	})

	
	
	// fix max height for images in IE
	$$(".textStory img, .textStoryFull img").each(function(s){s.writeAttribute("height", false);})
	

		
});
var menu=function(){
	var t=15,z=50,s=6,a;
	function dd(n){this.n=n; this.h=[]; this.c=[]}
	dd.prototype.init=function(p,c){
		a=c; var w=document.getElementById(p), s=w.getElementsByTagName('ul'), l=s.length, i=0;
		for(i;i<l;i++){
			var h=s[i].parentNode; this.h[i]=h; this.c[i]=s[i];
			h.onmouseover=new Function(this.n+'.st('+i+',true)');
			h.onmouseout=new Function(this.n+'.st('+i+')');
		}
	}
	dd.prototype.st=function(x,f){
		var c=this.c[x], h=this.h[x], p=h.getElementsByTagName('a')[0];
		clearInterval(c.t); c.style.overflow='hidden';
		if(f){
			p.className+=' '+a;
			if(!c.mh){c.style.display='block'; c.style.height=''; c.mh=c.offsetHeight; c.style.height=0}
			if(c.mh==c.offsetHeight){c.style.overflow='visible'}
			else{c.style.zIndex=z; z++; c.t=setInterval(function(){sl(c,1)},t)}
		}else{p.className=p.className.replace(a,''); c.t=setInterval(function(){sl(c,-1)},t)}
	}
	function sl(c,f){
		var h=c.offsetHeight;
		if((h<=0&&f!=1)||(h>=c.mh&&f==1)){
			if(f==1){c.style.filter=''; c.style.opacity=1; c.style.overflow='visible'}
			clearInterval(c.t); return
		}
		var d=(f==1)?Math.ceil((c.mh-h)/s):Math.ceil(h/s), o=h/c.mh;
		c.style.opacity=o; c.style.filter='alpha(opacity='+(o*100)+')';
		c.style.height=h+(d*f)+'px'
	}
	return{dd:dd}
}();

function blocking1(nr)
{
		vista = (document.getElementById("ml2").style.display == 'none') ? 'block' : 'none';
		vista2 = (document.getElementById("ml1").style.display == 'block') ? 'none' : 'block';
		document.getElementById("ml2").style.display = vista;
		document.getElementById("ml1").style.display = vista2;
		document.getElementById("vid").style.color = '#ffffff';
		document.getElementById("imag").style.color = '#CBCBB3';
}

function blocking2(nr)
{
		vista = (document.getElementById("ml1").style.display == 'none') ? 'block' : 'none';
		vista2 = (document.getElementById("ml2").style.display == 'block') ? 'none' : 'block';
		document.getElementById("ml1").style.display = vista;
		document.getElementById("ml2").style.display = vista2;
		document.getElementById("imag").style.color = "#ffffff";
		document.getElementById("vid").style.color = '#CBCBB3';
}

function clearFormInput(frm, elem){
	var form = document.getElementById(frm);
	var e = form.elements[elem];
	e.value = '';
}

function submitForm(a){
	f = document.getElementById(a);
	f.submit();
}

function swapVid(text){
	block = document.getElementById('medPlayer');
	block.innerHTML = '<embed src="' + text + '" width="248" height="187" bgcolor="#ffffff" allowfullscreen="true" allowscriptaccess="always" wmode="transparent" >';
}

//Custom JavaScript Functions by Shawn Olson
//Copyright 2006-2008
//http://www.shawnolson.net
//If you copy any functions from this page into your scripts, you must provide credit to Shawn Olson & http://www.shawnolson.net
//*******************************************

	function stripCharacter(words,character) {
	//documentation for this script at http://www.shawnolson.net/a/499/
	  var spaces = words.length;
	  for(var x = 1; x<spaces; ++x){
	   words = words.replace(character, "");
	 }
	 return words;
    }

	function changecss(theClass,element,value) {
	//Last Updated on May 21, 2008
	//documentation for this script at
	//http://www.shawnolson.net/a/503/altering-css-class-attributes-with-javascript.html
	 var cssRules;
	 if (document.all) {
	  cssRules = 'rules';
	 }
	 else if (document.getElementById) {
	  cssRules = 'cssRules';
	 }
	 var added = false;
	 for (var S = 0; S < document.styleSheets.length; S++){
	  for (var R = 0; R < document.styleSheets[S][cssRules].length; R++) {
	   if (document.styleSheets[S][cssRules][R].selectorText == theClass) {
	    if(document.styleSheets[S][cssRules][R].style[element]){
	    document.styleSheets[S][cssRules][R].style[element] = value;
	    added=true;
		break;
	    }
	   }
	  }

	  if(!added){
	  if(document.styleSheets[S].insertRule){
			  document.styleSheets[S].insertRule(theClass+' { '+element+': '+value+'; }',document.styleSheets[S][cssRules].length);
			} else if (document.styleSheets[S].addRule) {
				document.styleSheets[S].addRule(theClass,element+': '+value+';');
			}
	  }
	 }
	}

	function checkUncheckAll(theElement) {
     var theForm = theElement.form, z = 0;
	 for(z=0; z<theForm.length;z++){
      if(theForm[z].type == 'checkbox' && theForm[z].name != 'checkall'){
	  theForm[z].checked = theElement.checked;
	  }
     }
    }

function checkUncheckSome(controller,theElements) {
	//Programmed by Shawn Olson
	//Copyright (c) 2006-2007
	//Updated on August 12, 2007
	//Permission to use this function provided that it always includes this credit text
	//  http://www.shawnolson.net
	//Find more JavaScripts at http://www.shawnolson.net/topics/Javascript/

	//theElements is an array of objects designated as a comma separated list of their IDs
	//If an element in theElements is not a checkbox, then it is assumed
	//that the function is recursive for that object and will check/uncheck
	//all checkboxes contained in that element

     var formElements = theElements.split(',');
	 var theController = document.getElementById(controller);
	 for(var z=0; z<formElements.length;z++){
	  theItem = document.getElementById(formElements[z]);
	  if(theItem.type){
	    if (theItem.type=='checkbox') {
	    	theItem.checked=theController.checked;
	    }
	  } else {
	  	  theInputs = theItem.getElementsByTagName('input');
	  for(var y=0; y<theInputs.length; y++){
	  if(theInputs[y].type == 'checkbox' && theInputs[y].id != theController.id){
	     theInputs[y].checked = theController.checked;
	    }
	  }
	  }
    }
}

	function changeImgSize(objectId,newWidth,newHeight) {
	  imgString = 'theImg = document.getElementById("'+objectId+'")';
	  eval(imgString);
	  oldWidth = theImg.width;
	  oldHeight = theImg.height;
	  if(newWidth>0){
	   theImg.width = newWidth;
	  }
	  if(newHeight>0){
	   theImg.height = newHeight;
	  }

	}

	function changeColor(theObj,newColor){
	  eval('var theObject = document.getElementById("'+theObj+'")');
	  if(theObject.style.backgroundColor==null){theBG='white';}else{theBG=theObject.style.backgroundColor;}
	  if(theObject.style.color==null){theColor='black';}else{theColor=theObject.style.color;}
	  //alert(theObject.style.color+' '+theObject.style.backgroundColor);
      switch(theColor){
	    case newColor:
		  switch(theBG){
			case 'white':
		      theObject.style.color = 'black';
		    break;
			case 'black':
			  theObject.style.color = 'white';
			  break;
			default:
			  theObject.style.color = 'black';
			  break;
		  }
		  break;
	    default:
		  theObject.style.color = newColor;
		  break;
	  }
	}