var MenuOn=0, MenuSH = new Array, TimeId, MainDivs=new Array('programs','news','accomp','documents','links');

browser_name = navigator.appName;
browser_version = parseFloat(navigator.appVersion);

if (browser_name == "Netscape" && browser_version >= 3.0) { roll = 'true'; }
else if (browser_name == "Microsoft Internet Explorer" && browser_version >= 3.0) { roll = 'true'; }
else { roll = 'false'; }


function over(img,ref) { if (roll == 'true') { document.images[img].src = ref; } }
function out(img,ref)  { if (roll == 'true') { document.images[img].src = ref; } }


function preloadImg(file){
  image = new Image();
  image.src = file;
}

function rol_img() {	
	//preloadImg('img/icons/arrow.gif');
}

function navig_d (par,type,nIdDiv,source) {
var lay=document.getElementById(par);
//alert(nIdDiv);
if (type==0) {
	if (source) {
		//over(source,nIdDiv);
	}
MenuSH[par]=1;
MenuOn=1;
clearTimeout(TimeId);
lay.style.display="block";
lay.style.visibility="visible";
} //end if type=0
//for current
if (source) {
    lay_main=document.getElementById(source);
}
if (nIdDiv==0) {
	lay_main.className = 'blueColor2';
} else if (nIdDiv==1) {
	lay_main.className = 'blueColor1';	
	//alert('1111');
} else if (nIdDiv==2) {
	lay_main.className = 'menuCurrent2';	
	//alert('1111');
} else if (nIdDiv==3) {
	lay_main.className = 'menuCurrent1';	
	//alert('1111');
}
//end for current

if (type==1) {
MenuSH[par]=0;
if (source=="div") {
	MenuOn=0;
	clearTimeout(TimeId);
	TimeId=setTimeout('HideAllDivs()',0);
} else {
	if (MenuOn) {
		//clearTimeout(TimeId);
		TimeId=setTimeout('MenuOff("'+par+'","'+nIdDiv+'","'+source+'")',0);
	}
}
}//end if type==1

}
function hideChild(arr,current) {
		for (i=0; i < arr.length; i++) {	
			if (arr[i]!=current) {
				document.getElementById(arr[i]).style.display="none";
				document.getElementById(arr[i]).style.visibility="hidden";
			}
			if (document.getElementById(arr[i]).style.visibility=="visible") {
				//over(MainImgs[i],'imgs/greypoint.gif');
			}
		}
}

function HideAllDivs () {
	if (!MenuOn) {
		for (i=0; i < MainDivs.length; i++) {
			document.getElementById(MainDivs[i]).style.display="none";
			document.getElementById(MainDivs[i]).style.visibility="hidden";
		}
	}
}

function MenuOff (lid,img,source) {
	if ( (!MenuSH[lid]) ) {	
		document.getElementById(lid).style.display="none";
		document.getElementById(lid).style.visibility="hidden";
		if (source) {
			//over(source,img);
		}
		//for current
if (source) {
		lay_main=document.getElementById(source);
}
		if (img==0) {
			lay_main.className = 'blueColor2';
		}
		if (img==1) {
			lay_main.className = 'blueColor1';
		}		
		//end for current
	}
}

function HideShow (par,t) {
var lay=document.getElementById(par);
if (t==0) { 
	lay.style.display="block";
	lay.style.visibility="visible"; 
	}
if (t==1) {
	lay.style.display="none"; 
	lay.style.visibility="hidden";
	}
}