function tabchange(tabid,tabNumber,totaltab,showcss,hidecss){
	for(var j=1;j<=totaltab;j++){
		if (j != tabNumber)
		{
			document.getElementById(tabid+ "_title" + j).className= hidecss;
			document.getElementById(tabid+ "_content" + j).className= "hiddencontent";
		}
		else
		{
			document.getElementById(tabid+ "_title" + j).className= showcss;
			document.getElementById(tabid+ "_content" + j).className= "activecontent";
		}			
	}
}