// text fitting functions

	var fitTextInBox_maxWidth = false;
	var fitTextInBox_maxHeight = false;
	var fitTextInBox_currentWidth = false;	
	
	var div= false;
	var span = false;
	function fitTextInBox(boxID,maxHeight)
	{
		var div = document.getElementById(boxID);
		if (!div) return;
		if (maxHeight) 
			fitTextInBox_maxHeight = Math.min(maxHeight, div.clientHeight); 
		else 
			fitTextInBox_maxHeight = div.clientHeight;
		
		fitTextInBox_maxWidth = div.clientWidth ;	
		span = div.getElementsByTagName('SPAN')[0];
		span.style.fontSize = '1px';
		fitTextInBox_currentWidth = span.offsetWidth;
		
		var wrap = true;
		/// - this test breaks IE :`
		//if (div.style.whiteSpace ) {
		//	wrap = div.style.whiteSpace != 'pre' ;
		//} else {
			// Don't know what it is so force to default 
		//	div.style.whiteSpace = 'pre-wrap';
		//}
		fitTextInBoxAutoFit(1, wrap);
		//barf(boxID,span.style.fontSize, span.offsetWidth, fitTextInBox_maxWidth , span.offsetHeight, fitTextInBox_maxHeight );
	}	
	
	
	function barf(a,b,c,d,e,f)
	{
		alert(a+' ~ '+b+' ~ '+c+' ~ '+d+' ~ '+e+' ~ '+f+' ~ ');
	}
	
	function fitTextInBoxAutoFit(inc, wrap)
	{
		var tmpFontSize = span.style.fontSize.replace('px','')/1;
		span.style.fontSize = (tmpFontSize + inc) + 'px';
		
		if (inc < 0 )
		{
			if ( span.offsetHeight  > fitTextInBox_maxHeight  || span.offsetWidth > fitTextInBox_maxWidth )
			{
				// Use this to shrink back down into the box
				fitTextInBoxAutoFit(inc, wrap);
			}
			else
			{
				//barf('done shrink',span.style.fontSize, span.offsetWidth, fitTextInBox_maxWidth , span.offsetHeight, fitTextInBox_maxHeight );
			}
		}
		else
		{
			if (span.offsetWidth  >= fitTextInBox_currentWidth &&
				span.offsetWidth  <  fitTextInBox_maxWidth &&
				span.offsetHeight <  fitTextInBox_maxHeight && 
				tmpFontSize < 300 )
			{
				// uses this to get fontsize without wrapping
				fitTextInBox_currentWidth = span.offsetWidth;	
				fitTextInBoxAutoFit(inc, wrap);
			}
			else
			{
				span.style.fontSize = tmpFontSize + 'px';	
				//barf('maybe grow',span.style.fontSize, span.offsetWidth, fitTextInBox_maxWidth , span.offsetHeight, fitTextInBox_maxHeight );
				
				if ( wrap )
				{
					var maxFontSize = tmpFontSize * Math.sqrt( fitTextInBox_maxHeight / span.offsetHeight )  ;
					if ( maxFontSize - tmpFontSize > 1 ) 
					{
						span.style.fontSize =  maxFontSize +'px';
						//barf('grown',span.style.fontSize, span.offsetWidth, fitTextInBox_maxWidth , span.offsetHeight, fitTextInBox_maxHeight );
					}
				}
		
				if ( span.offsetHeight > fitTextInBox_maxHeight  || span.offsetWidth > fitTextInBox_maxWidth)
				{
					fitTextInBoxAutoFit(-1, wrap);
				}
			}
		}
		//span.style.lineHeight = '110%';
		
		
	}
	
	var box_minHeight = false;
	function fitBoxToText(boxID,minHeight)
	{
		if (! minHeight ) minHeight = 0;
	
		var div = document.getElementById(boxID);
		if (!div) return 0;
	
		var span = div.getElementsByTagName('SPAN')[0];
		if (!span) return 0;
		
		var divOffsetHeight = div.offsetHeight;
		var baselineTweak = 0;
		//barf(div.offsetHeight , div.clientHeight , span.offsetHeight , span.clienttHeight);
		
		if ( span.offsetWidth == 0 ) {
			div.style.height = minHeight + 'px';
		}
		else if ( span.offsetHeight < div.clientHeight && span.offsetHeight >= minHeight ) 
		{
			// TBD not sure about the adjustment factor here
			div.style.height = ( span.offsetHeight + baselineTweak) + 'px' ;
		} 
		//barf(div.offsetHeight , div.clientHeight , span.offsetHeight , span.clienttHeight);
		return divOffsetHeight - div.offsetHeight;
	}	
	
	function giveSpace(toID, fromID, minHeight)
	{
		if (! minHeight ) minHeight = 0;
		
		var to = document.getElementById(toID);
		
		to.style.height = to.style.height.replace('px','')/1 + fitBoxToText(fromID, minHeight) + 'px';
	}
	
	
	
// Ad rotation

function zeroPad(n, digits)
{
	n = n.toString();
	while (n.length < digits) {
		n = '0' + n;
	}
	return n;
}


// generate interger between 1 and n
function random(n) { return Math.floor(Math.random()* n) + 1; }

	
function buildName(filename, num, fixed)
{
	if (!fixed || !num || num <1)  
		num = random(num);
		
	iterator = "_" + zeroPad(num ,3);
	
	 if ( filename.length == 0 )
 		return ""; 

	var dot = filename.lastIndexOf(".") ;
 	
 	if (dot == -1 ) 
 		return filename + iterator; 
 		
 	return filename.substring(0,dot)  + iterator + filename.substr(dot,filename.length); 
}

function randomSrc(id, count)
{
	if (!count || count < 1) return ;
	var obj = document.getElementById(id);	
	obj.src  = buildName(obj.src, count) ;
}

// extra is an additional url to include in the rotation - acts as default if 0 count
function randomReplace(count, extra)
{
	if (!count ) { 
		return ;
	}
	 
	if ( count < 1) 
	{
		if(!extra) {
			return ;
		} else {
			location.replace(extra);
			return ;
		}
	}		
	
	if ( extra)
		if ( random( count/1 + 2) > count)
		{
			location.replace(extra);
			return ;
		}
	
	location.replace(buildName(location.href, count) ) ;
}