var size = 63
     function doZoom()
     { 
     	if(size<75)
     	{
	     	var font_size = document.getElementById('pgcontent').style.fontSize
	     	if(font_size=="")
	     		size = 68;     	
	     	else     	
	     		size+=5;
	     	
	     	document.getElementById('pgcontent').style.fontSize=size+'%'; 
     	}
	} 
	function doNarrow()
     { 
     	if(size>50)
     	{
	     	var font_size = document.getElementById('pgcontent').style.fontSize
	     	if(font_size=="")
	     		size = 58;     	
	     	else     	
	     		size-=5;	     	
	     	document.getElementById('pgcontent').style.fontSize=size+'%'; 
     	}
	}
/* 
auther:tealy
date:2008-03-17
param: string strDivs ;  strDivs id must format like "d1,d2,d3,d4"
param: string  splitchar;
result: get the reality height of some div, reset the div height
*/	
function setDivHeight(strDivs, splitchar )
{
	var DIVs = strDivs.split(splitchar);
	var objDiv = 0;
	var strlen = DIVs.length;
	//get get the max height
	for( i=0; i < strlen; i++){
		if(objDiv < document.getElementById(DIVs[i]).scrollHeight )
			objDiv = document.getElementById(DIVs[i]).scrollHeight;
	}
	//set height
	for( i=0; i < strlen; i++){
		document.getElementById(DIVs[i]).style.height = objDiv+"px";
		//document.getElementById(DIVs[i]).style.borderBottom='2px solid red' ;
	}
}

function rtrim(str, chars) {
	chars = chars || "\\s";
	return str.replace(new RegExp("[" + chars + "]+$", "g"), "");
}