var selected_obj;

function UnCryptMailto( s, sh ) {
		var n = 0;
		var r = "";
		for( var i = 0; i < s.length; i++)
		{
				n = s.charCodeAt( i );
				if( n >= 8364 )
				{
						n = 128;
				}
				r += String.fromCharCode( n - sh );
		}
		return r;
}
	
function lnkTrans(s, sh)	{
	location.href = 'mailto:'+UnCryptMailto(s, sh);
}


/*function switchPage(pg,obj) {

	for (i=1;i<=3;i++)
		if (i!=pg)
			document.getElementById('page_'+i).style.display='none';
	
	document.getElementById('page_'+pg).style.display='block';
	
	elemA = obj.parentNode.getElementsByTagName('a');
	for (i=0;i<elemA.length;i++) {
		elemA[i].style.color='#000';
	}
	obj.style.color='#f00';

}*/

function switchPage(pg,obj) {


	

	for (i=1;i<=4;i++) {
		if (i==pg) {
			
			if (obj.getElementsByTagName('img').length>0) {
				imgSrc = obj.getElementsByTagName('img')[0].src;
				if (imgSrc.indexOf('_over')<0) {
					imgSrc = document.getElementById('sub_nav_'+i).getElementsByTagName('img')[0].src;
					obj.getElementsByTagName('img')[0].src = imgSrc.substr(0,imgSrc.lastIndexOf('.'))+'_over'+imgSrc.substr(imgSrc.lastIndexOf('.'));
				}
				
			}

			selected_obj = obj;
		}	
		else {
			
			document.getElementById('page_'+i).style.display='none';
			if (obj.getElementsByTagName('img').length>0) {
				imgSrc = document.getElementById('sub_nav_'+i).getElementsByTagName('img')[0].src;

				if (imgSrc.indexOf('_over')>0)
					document.getElementById('sub_nav_'+i).getElementsByTagName('img')[0].src = imgSrc.substr(0,imgSrc.lastIndexOf('_over'))+imgSrc.substr(imgSrc.lastIndexOf('.'));		
			}	
		}
	}
	
	if (obj.getElementsByTagName('img').length==0) {
		elemA = obj.parentNode.getElementsByTagName('a');
		for (i=0;i<elemA.length;i++) 
			if ((i+1)==pg)
				elemA[i].style.color='#f00';	
			else
				elemA[i].style.color='#000';
	
		
	}

	document.getElementById('page_'+pg).style.display='block';
}


function nav_mo(pObj){
	if (selected_obj==pObj)
		return true;
		
	if (pObj.getElementsByTagName('img').length>0) {

		if (pObj.tagName=='IMG')
			obj = pObj;
		else
			obj = pObj.getElementsByTagName('IMG')[0];

		if (obj.src.indexOf("_over.")>0) {

			obj.src = obj.src.replace(/_over/,"");
		}	
		else {
			if (obj.src.indexOf(".php")>0)
				obj.src = obj.src.substr(0,obj.src.indexOf(".php"))+'_over'+obj.src.substr(obj.src.indexOf(".php"));
			else
				obj.src = obj.src.substr(0,obj.src.lastIndexOf("."))+'_over'+obj.src.substr(obj.src.lastIndexOf("."));
		}	
	}

	return true;
}

function show_mo(obj) {
	obj.firstChild.style.display='block';

	//obj.getElementsByTagName('div')[2].style.marginTop=((obj.getElementsByTagName('img')[0].offsetHeight/2)-(parseInt(obj.getElementsByTagName('div')[2].offsetHeight)/2)+'px');
	obj.getElementsByTagName('div')[2].style.marginTop=((obj.getElementsByTagName('img')[0].offsetHeight/2)-(parseInt(obj.getElementsByTagName('div')[2].offsetHeight)/2)+'px');
	//alert((obj.getElementsByTagName('img')[0].offsetHeight/2)+' '+(parseInt(obj.getElementsByTagName('div')[2].offsetHeight)/2));

	}	

function showBig(obj) {
	tmp = document.getElementById('image_container_full').getElementsByTagName('img')[0];
	if (tmp) {
		tmp_src = obj.getElementsByTagName('img')[0].src;
		tmp_big = new Image();
		if (tmp_src.lastIndexOf('/small/')>0)
			tmp_big.src = tmp_src.substr(0,tmp_src.lastIndexOf('/small/'))+tmp_src.substr(tmp_src.lastIndexOf('/'));
		else
			tmp_big.src = tmp_src;
			
		tmp.src = tmp_big.src;
		//switchPage(1,document.getElementById('sub_nav_1'));
		if (tmp_big.complete == true) {
			switchPage(4,document.getElementById('sub_nav_2'));			
		}
		else
			setTimeout(function(){switchPage(4,document.getElementById('sub_nav_1'))},250);

	}
}