/*
* JTip
* By Cody Lindley (http://www.codylindley.com)
* Under an Attribution, Share Alike License
* JTip is built on top of the very light weight jquery library.
*/

//on page load (as soon as its ready) call JT_init
$(document).ready(JTmap_init);

function JTmap_init(){
	$("area.jTip")
	.hover(function(){JTmap_show(this.href,this.id,$(this).attr('nom'))},function(){$('#JT').remove()})
	.click(function(){return false});
}


function JTmap_show(url,linkId,title){
	if(title == false)title=" ";
	var de = document.documentElement;
	var w = self.innerWidth || (de&&de.clientWidth) || document.body.clientWidth;
	var hasArea = w - getAbsoluteLeft(linkId);
	var clickElementy = mapGetAbsoluteTop(linkId) - 3; //set y position

	var queryString = url.replace(/^[^\?]+\??/,'');
	var params = parseQuery( queryString );
	if(params['width'] === undefined){params['width'] = 250};
	if(params['link'] !== undefined){
		$('#' + linkId).attr("target","_blank");
		//$('#' + linkId).css({display:"none",visibility:"visible"}).fadeIn(400);
		$('#' + linkId).bind('click',function(){window.open(params['link'],'new_window')});
		$('#' + linkId).css('cursor','pointer');
	}

	if(hasArea>((params['width']*1)+75)){
		$("body").append("<div id='JT' style='width:"+params['width']*1+"px'><div id='JT_arrow_left'></div><div id='JT_close_left'>"+title+"</div><div id='JT_copy'><div class='JT_loader'><div></div></div>");//right side

		var arrowOffset = mapGetElementWidth(linkId) + 11;
		var clickElementx = mapGetAbsoluteLeft(linkId) ; //+ arrowOffset set x position



	}else{
		$("body").append("<div id='JT' style='width:"+params['width']*1+"px'><div id='JT_arrow_right' style='left:"+((params['width']*1)+1)+"px'></div><div id='JT_close_right'>"+title+"</div><div id='JT_copy'><div class='JT_loader'><div></div></div>");//left side
		var clickElementx = mapGetAbsoluteLeft(linkId) - ((params['width']*1) + 15); //set x position
	}

	$('#JT').css({left: clickElementx+"px", top: clickElementy+"px"});
	$('#JT').show();
	$('#JT_copy').load(url);
	$('#JT').css({display:"none",visibility:"visible"}).fadeIn(400);

}

function mapGetElementWidth(objectId) {
	x = document.getElementById(objectId);
	return x.offsetWidth;
}

function mapGetAbsoluteLeft(objectId,ev) {


	// Get an object left position from the upper left viewport corner
	o = document.getElementById(objectId);
	oLeft = o.offsetLeft;
	if(navigator.appName=="Microsoft Internet Explorer"){ // IE
		var oLeft = event.x + document.body.scrollLeft +20;

	}else{ // FF
		var reg = new RegExp("[,]","g");
		//alert(document.getElementById("lr").coords);//test
		//alert(oLeft);//test
		var tabCoords = document.getElementById(objectId).coords.split(reg);
		//alert(tabCoords[0]);//test
		oLeft = parseInt(oLeft)+parseInt(tabCoords[0])+17;
	}
	//alert("traditionnel : "+oLeft);//test
	return oLeft;

}

function mapGetAbsoluteTop(objectId) {
	// Get an object top position from the upper left viewport corner
	o = document.getElementById(objectId)

	if(navigator.appName=="Microsoft Internet Explorer"){ // IE
		//alert(document.documentElement.scrollTop);//test
		var oTop = parseInt(event.y) + parseInt(document.documentElement.scrollTop)-15;

	}else{ // FF
		oTop = o.offsetTop            // Get top position from the parent object
		while(o.offsetParent!=null) { // Parse the parent hierarchy up to the document element
			oParent = o.offsetParent  // Get parent object reference
			oTop += oParent.offsetTop // Add parent top position
			o = oParent
		}
		var reg = new RegExp("[,]","g");
		var tabCoords = document.getElementById(objectId).coords.split(reg);

		oTop = parseInt(oTop)+parseInt(tabCoords[1])-9;
		
	}
	//alert(oTop);//test
	return oTop
}

function parseQuery ( query ) {
	var Params = new Object ();
	if ( ! query ) return Params; // return empty object
	var Pairs = query.split(/[;&]/);
	for ( var i = 0; i < Pairs.length; i++ ) {
		var KeyVal = Pairs[i].split('=');
		if ( ! KeyVal || KeyVal.length != 2 ) continue;
		var key = unescape( KeyVal[0] );
		var val = unescape( KeyVal[1] );
		val = val.replace(/\+/g, ' ');
		Params[key] = val;
	}
	return Params;
}

function blockEvents(evt) {
	if(evt.target){
		evt.preventDefault();
	}else{
		evt.returnValue = false;
	}
}