/**
**	SCCSID : %W% - %E%:%U%
**
**	Description	:	Image loading
**	Functions	:	MM_preloadImages() 
						MM_findObj(n, d) 
						MM_nbGroup(event, grpName) 
						MM_swapImgRestore() 
						MM_swapImage() 
						MM_showHideLayers()
**	
** @version 	%W% - %E%:%U%
**	
*/

//
//Function for image swapping and grouping use
//

function MM_preloadImages() 
{ //v3.0

	var d=document;
	
	if(d.images) {
		if(!d.MM_p) d.MM_p=new Array();
		var i,j=d.MM_p.length,a=MM_preloadImages.arguments;
		for(i=0; i<a.length; i++)
		if (a[i].indexOf("#")!=0) {
			d.MM_p[j]=new Image;
			d.MM_p[j++].src=a[i];
		}
	}
}

function MM_findObj(n, d) 
{ //v3.0
	var p,i,x; 
	
	if(!d) d=document;
	if((p=n.indexOf("?"))>0&&parent.frames.length) {
		d=parent.frames[n.substring(p+1)].document;
		n=n.substring(0,p);
	}
	if(!(x=d[n])&&d.all)
		x=d.all[n];
	
	for (i=0;!x&&i<d.forms.length;i++)
		x=d.forms[i][n];
	for(i=0;!x&&d.layers&&i<d.layers.length;i++)
		x=MM_findObj(n,d.layers[i].document);
	
	return x;
}

function MM_nbGroup(event, grpName) 
{ //v3.0
	var i,img,nbArr,args=MM_nbGroup.arguments;
	
	if (event == "init" && args.length > 2) {
		if ((img = MM_findObj(args[2])) != null && !img.MM_init) {
			img.MM_init = true;
			img.MM_up = args[3];
			img.MM_dn = img.src;
			if ((nbArr = document[grpName]) == null)
				nbArr = document[grpName] = new Array();
			nbArr[nbArr.length] = img;
			
			for (i=4; i < args.length-1; i+=2)
				if ((img = MM_findObj(args[i])) != null) {
					if (!img.MM_up)
						img.MM_up = img.src;
					img.src = img.MM_dn = args[i+1];
					nbArr[nbArr.length] = img;
				} 
		}
	} else if (event == "over") {
		document.MM_nbOver = nbArr = new Array();
		
		for (i=1; i < args.length-1; i+=3)
			if ((img = MM_findObj(args[i])) != null) {
				if (!img.MM_up)
					img.MM_up = img.src;
				img.src = (img.MM_dn && args[i+2]) ? args[i+2] : args[i+1];
				nbArr[nbArr.length] = img;
			}
	} else if (event == "out" ) {
		for (i=0; i < document.MM_nbOver.length; i++) {
			img = document.MM_nbOver[i]; 
			img.src = (img.MM_dn) ? img.MM_dn : img.MM_up;
		}
	} else if (event == "down") {
		if ((nbArr = document[grpName]) != null)
			for (i=0; i < nbArr.length; i++) {
				img=nbArr[i]; 
				img.src = img.MM_up; 
				img.MM_dn = 0; 
			}
		document[grpName] = nbArr = new Array();
		for (i=2; i < args.length-1; i+=2)
			if ((img = MM_findObj(args[i])) != null) {
				if (!img.MM_up)
					img.MM_up = img.src;
				img.src = img.MM_dn = args[i+1];
			nbArr[nbArr.length] = img; 
			}
	}
}


function MM_swapImgRestore() 
{ //v3.0
	var i,x,a=document.MM_sr;
	for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++)
		x.src=x.oSrc;
}

function MM_swapImage() 
{ //v3.0
	var i,j=0,x,a=MM_swapImage.arguments;
	
	document.MM_sr=new Array; 
	
	for(i=0;i<(a.length-2);i+=3)
		if ((x=MM_findObj(a[i]))!=null) {
			document.MM_sr[j++]=x;
			if(!x.oSrc) 
				x.oSrc=x.src; 
			x.src=a[i+2];
		}
}

function MM_showHideLayers() 
{ 
	var i,p,v,obj,args=MM_showHideLayers.arguments;
	for (i=0; i<(args.length-2); i+=3) 
		if ((obj=MM_findObj(args[i]))!=null) 
		{ 
			v=args[i+2];
			if (obj.style) 
			{ 
				obj=obj.style; v=(v=='show')?'visible':(v='hide')?'hidden':v; }
				obj.visibility=v; 
		}
}