<!-- hide from non-JS browsers

/******************************************************************

					S C R O L L O V E R S
					---------------------
			 Written by Steffan Luczyn - July 2007
					 www.scrollovers.com	
	
		May be used for personal and business use, but may
		  never be sold or used in a product that is not 
				   free without my consent.

*******************************************************************/

var scrollovers_TypeName = 'scrollover';
var scrollovers_StartScrollLocation = 0;
var scrollovers_EndScrollLocationTrim = 0;
var scrollovers_ScrollSpeed = 3;
var scrollovers_ScrollDownOnMouseOver = true;


var scrollovers_ElementsInFocus = new Array();

function scrollovers_Init(){
	/* DEFAULT TRIM SETTINGS */
	scrollovers_StartScrollLocation = 0;
	scrollovers_EndScrollLocationTrim = -1;
	
	if(navigator.userAgent.toLowerCase().indexOf("safari")!=-1){
		/* SAFARI TRIM SETTINGS */
		scrollovers_StartScrollLocation = 0;
		scrollovers_EndScrollLocationTrim = -1;
	}else if(navigator.userAgent.toLowerCase().indexOf("opera")!=-1){
		/* OPERA TRIM SETTINGS */				
		scrollovers_StartScrollLocation = 0;
		scrollovers_EndScrollLocationTrim = -1;
	}
	
	var aTmp = document.getElementsByTagName('a');
	var aLinks = new Array();
	for(i=0;i<aTmp.length;i++){
		if(scrollovers_TypeName == '' || aTmp[i].getAttribute('type') == scrollovers_TypeName){
			aLinks.push(aTmp[i]);
		}
	}
	aTmp = null;

	for(i=0;i<aLinks.length;i++){
		var sElemId = 'scrollover_'+i;
		var sExistingHTML = aLinks[i].innerHTML;
		var iWidth = parseInt(aLinks[i].scrollWidth)+1;
		var sHtml = '';
		aLinks[i].style.textDecoration = 'none';
		
		sHtml += 	'<span style="display:block; cursor:pointer; cursor:hand; height:1em; position:relative; overflow:visible; width:'+iWidth+'px; margin-top:-0.2em;">';
		sHtml +=		'<span style="display:block; position:absolute; overflow:hidden; height:1.3em; width:'+iWidth+'px; margin-bottom:-0.3em;">';
		sHtml +=			'<span style="display:block; margin-top:-0.1em; position:absolute; width:'+iWidth+'px;" class="scrollover_Nudge">';
		sHtml +=				'<em id="'+sElemId+'" style="display:block; line-height:1.4em; position:absolute; top:'+scrollovers_StartScrollLocation+'px; font-style:normal;">'+sExistingHTML+' '+sExistingHTML+'</em>';
		sHtml +=			'</span>';
		sHtml +=		'</span>';
		sHtml +=	'</span>';

		var sOriginalText = aLinks[i].innerText;
		aLinks[i].innerHTML = '';
		var oScrollover = document.createElement('fieldset');
		oScrollover.style.border = 'none';
		oScrollover.style.lineHeight = '1em';
		oScrollover.style.width = iWidth;
		oScrollover.style.textAlign = 'left';
		oScrollover.style.display = 'inline';
		oScrollover.style.margin = '0';
		oScrollover.style.padding = '0';
		oScrollover.innerHTML = sHtml;
		
		aLinks[i].appendChild(oScrollover);

		var oTag = document.getElementById(sElemId);
		
		var oElement = new Element(sElemId, oTag);
		scrollovers_ElementsInFocus.push(oElement);
		oTag.elementObject = oElement;
		oTag.onmouseover = scrollovers_MouseOver;
		oTag.onmouseout = scrollovers_MouseOut;
		
		if(scrollovers_ScrollDownOnMouseOver){
			oTag.style.top = (oElement.ScrollHeight*-1)+scrollovers_EndScrollLocationTrim+'px';
		}
	}
}
function scrollovers_MouseOver(oEvent){
	var oSender = null;
	if(window.event){
		oSender = window.event.srcElement;
	}else{
		oSender = oEvent.target;
	}

	scrollovers_ElementsInFocus.getById(oSender.elementObject.Id).MouseIsOver = true;
	if(scrollovers_ScrollDownOnMouseOver){
		setTimeout('scrollovers_RollDown(\''+oSender.elementObject.Id+'\')', 100);
	}else{
		setTimeout('scrollovers_RollUp(\''+oSender.elementObject.Id+'\')', 100);
	}
}
function scrollovers_MouseOut(oEvent){
	var oSender = null;
	if(window.event){
		oSender = window.event.srcElement;
	}else{
		oSender = oEvent.target;
	}
	oSender.elementObject.MouseIsOver = false;
	if(scrollovers_ScrollDownOnMouseOver){
		setTimeout('scrollovers_RollUp(\''+oSender.elementObject.Id+'\')', 100);
	}else{
		setTimeout('scrollovers_RollDown(\''+oSender.elementObject.Id+'\')', 100);
	}
}
function scrollovers_RollUp(sIdToRoll){
	var oElementToRoll = scrollovers_ElementsInFocus.getById(sIdToRoll);
	if(scrollovers_ScrollDownOnMouseOver){
		if(oElementToRoll.MouseIsOver){return;}
	}else{
		if(!oElementToRoll.MouseIsOver){return;}
	}
	if(oElementToRoll.ScrollLocation+scrollovers_ScrollSpeed < oElementToRoll.ScrollHeight){
		oElementToRoll.ScrollLocation += scrollovers_ScrollSpeed;
		oElementToRoll.TagRef.style.top = oElementToRoll.ScrollLocation*-1+'px';
		setTimeout('scrollovers_RollUp(\''+sIdToRoll+'\')', 10);
	}else{
		oElementToRoll.ScrollLocation =  oElementToRoll.ScrollHeight;
		oElementToRoll.TagRef.style.top = (oElementToRoll.ScrollHeight*-1)+scrollovers_EndScrollLocationTrim+'px';
	}
}
function scrollovers_RollDown(sIdToRoll){
	var oElementToRoll = scrollovers_ElementsInFocus.getById(sIdToRoll);
	if(scrollovers_ScrollDownOnMouseOver){
		if(!oElementToRoll.MouseIsOver){return;}
	}else{
		if(oElementToRoll.MouseIsOver){return;}
	}
	if(oElementToRoll.ScrollLocation-scrollovers_ScrollSpeed > scrollovers_StartScrollLocation){
		oElementToRoll.ScrollLocation -= scrollovers_ScrollSpeed;
		oElementToRoll.TagRef.style.top = oElementToRoll.ScrollLocation*-1+'px';
		setTimeout('scrollovers_RollDown(\''+sIdToRoll+'\')', 10);
	}else{
		oElementToRoll.ScrollLocation =  scrollovers_StartScrollLocation;
		oElementToRoll.TagRef.style.top = scrollovers_StartScrollLocation+'px';
	}
}

function Element(sId, oObject){
	this.Id = sId;
	this.TagRef = oObject;
	this.ScrollHeight = parseInt(this.TagRef.scrollHeight)/2-1;
	this.ScrollLocation = (scrollovers_ScrollDownOnMouseOver?this.ScrollHeight:0);
	this.MouseIsOver = false;
}
Array.prototype.getById = function(sId){
	for(i=0;i<this.length;i++){
		if(this[i].Id == sId){
			return this[i];
		}
	}
	return null;
}; 
Array.prototype.getIndexById = function(sId){
	for(i=0;i<this.length;i++){
		if(this[i].Id == sId){
			return i;
		}
	}
	return null;
}; 
	window.onload = scrollovers_Init;

// -->
