// Javascript for icrnet

// Preload images and Rollover functions

function FP_swapImg() {//v1.0
 var doc=document,args=arguments,elm,n; doc.$imgSwaps=new Array(); for(n=2; n<args.length;
 n+=2) { elm=FP_getObjectByID(args[n]); if(elm) { doc.$imgSwaps[doc.$imgSwaps.length]=elm;
 elm.$src=elm.src; elm.src=args[n+1]; } }
}

function FP_preloadImgs() {//v1.0
 var d=document,a=arguments; if(!d.FP_imgs) d.FP_imgs=new Array();
 for(var i=0; i<a.length; i++) { d.FP_imgs[i]=new Image; d.FP_imgs[i].src=a[i]; }
}

function FP_getObjectByID(id,o) {//v1.0
 var c,el,els,f,m,n; if(!o)o=document; if(o.getElementById) el=o.getElementById(id);
 else if(o.layers) c=o.layers; else if(o.all) el=o.all[id]; if(el) return el;
 if(o.id==id || o.name==id) return o; if(o.childNodes) c=o.childNodes; if(c)
 for(n=0; n<c.length; n++) { el=FP_getObjectByID(id,c[n]); if(el) return el; }
 f=o.forms; if(f) for(n=0; n<f.length; n++) { els=f[n].elements;
 for(m=0; m<els.length; m++){ el=FP_getObjectByID(id,els[n]); if(el) return el; } }
 return null;
}

function FP_swapImgRestore() {//v1.0
 var doc=document,i; if(doc.$imgSwaps) { for(i=0;i<doc.$imgSwaps.length;i++) {
  var elm=doc.$imgSwaps[i]; if(elm) { elm.src=elm.$src; elm.$src=null; } } 
  doc.$imgSwaps=null; }
}

// Map Image Rollovers

function displayMI(loc) {
	switch(loc) {
		case 1:
			document.getElementById('berlin').style.visibility = "visible";
			break;
		case 10:
			document.getElementById('berlin').style.visibility = "hidden";
			break;
		case 2:
			document.getElementById('prague').style.visibility = "visible";
			break;
		case 20:
			document.getElementById('prague').style.visibility = "hidden";
			break;
		case 3:
			document.getElementById('budapest').style.visibility = "visible";
			break;
		case 30:
			document.getElementById('budapest').style.visibility = "hidden";
			break;					case 4:			document.getElementById('hq').style.visibility = "visible";			break;		case 40:			document.getElementById('hq').style.visibility = "hidden";			break;
		default:
			break;
	}
}

/* Content Displays */

function displayContent(section) {
	switch(section) {
		case 1:
			if (document.getElementById('a1').style.display != "block") {
				document.getElementById('a1').style.display = "block";
			}
			else {
				document.getElementById('a1').style.display = "none";
			}
			break;
		case 2:
			if (document.getElementById('a2').style.display != "block") {
				document.getElementById('a2').style.display = "block";
			}
			else {
				document.getElementById('a2').style.display = "none";
			}
			break;
		case 3:
			if (document.getElementById('a3').style.display != "block") {
				document.getElementById('a3').style.display = "block";
			}
			else {
				document.getElementById('a3').style.display = "none";
			}
			break;
		case 4:
			if (document.getElementById('a4').style.display != "block") {
				document.getElementById('a4').style.display = "block";
			}
			else {
				document.getElementById('a4').style.display = "none";
			}
			break;
		case 5:
			if (document.getElementById('a5').style.display != "block") {
				document.getElementById('a5').style.display = "block";
			}
			else {
				document.getElementById('a5').style.display = "none";
			}
			break;
		case 6:
			if (document.getElementById('a6').style.display != "block") {
				document.getElementById('a6').style.display = "block";
			}
			else {
				document.getElementById('a6').style.display = "none";
			}
			break;
		case 7:
			if (document.getElementById('a7').style.display != "block") {
				document.getElementById('a7').style.display = "block";
			}
			else {
				document.getElementById('a7').style.display = "none";
			}
			break;
		case 8:
			if (document.getElementById('a8').style.display != "block") {
				document.getElementById('a8').style.display = "block";
			}
			else {
				document.getElementById('a8').style.display = "none";
			}
			break;
		case 9:
			if (document.getElementById('a9').style.display != "block") {
				document.getElementById('a9').style.display = "block";
			}
			else {
				document.getElementById('a9').style.display = "none";
			}
			break;
		case 10:
			if (document.getElementById('a10').style.display != "block") {
				document.getElementById('a10').style.display = "block";
			}
			else {
				document.getElementById('a10').style.display = "none";
			}
			break;
		case 11:
			if (document.getElementById('a11').style.display != "block") {
				document.getElementById('a11').style.display = "block";
			}
			else {
				document.getElementById('a11').style.display = "none";
			}
			break;
		case 12:
			if (document.getElementById('a12').style.display != "block") {
				document.getElementById('a12').style.display = "block";
			}
			else {
				document.getElementById('a12').style.display = "none";
			}
			break;
		default:
			break;
	}
}