function ge(id){
	if(document.getElementById(id)){
		return document.getElementById(id);
	}else{
		return null;
	}
}

function hideAllTabs(a_active,a_pass,d_show,d_hide){
	var atag = document.getElementsByTagName('a');
	var i=0;
	for(i=0;i<atag.length;i++){
		if(atag[i].className==a_active){
			atag[i].className = a_pass;
		}
	}
	var divtag = document.getElementsByTagName('div');
	for(i=0;i<divtag.length;i++){
		if(divtag[i].className==d_show){
			divtag[i].className=d_hide;
		}
	}
}

function setTabCenter(obj,tabid){
	
	var tname = 'tabs_'+tabid;
	var i=0;
	var divtag = document.getElementsByTagName('div');
	for(i=0;i<divtag.length;i++){
		if(divtag[i].className=='show_bl'){
			divtag[i].className='hide_bl';
		}
	}
	if(ge(tname)){
		ge(tname).className='show_bl';
		if(tabid==1){
			ge('cont-top').className = 'content-top_o';
			ge('cont').className = 'content_o';
			ge('cont-bottom').className = 'content-bottom_o';
			
		}
		if(tabid==2){
			ge('cont-top').className = 'content-top_g';
			ge('cont').className = 'content_g';
			ge('cont-bottom').className = 'content-bottom_g';
		}
		if(tabid==3){
			ge('cont-top').className = 'content-top_b';
			ge('cont').className = 'content_b';
			ge('cont-bottom').className = 'content-bottom_b';
		}
		if(tabid==4){
			ge('cont-top').className = 'content-top_gr';
			ge('cont').className = 'content_gr';
			ge('cont-bottom').className = 'content-bottom_gr';
		}
		
		
	}
}

function setTab(obj,tabid){
	__setTab(obj,tabid,'a_active','right','show_block','hide_block');
}


function __setTab(obj,tabid,a_active,a_pass,d_show,d_hide){
	var tname = 'tab_'+tabid;
	hideAllTabs(a_active,a_pass,d_show,d_hide);
	if(ge(tname)){
		ge(tname).className='show_block';
		obj.className = 'a_active';
	}
}

function cssmenuhover()
{
        if(!document.getElementById("cssmenu"))
                return;
        var lis = document.getElementById("cssmenu").getElementsByTagName("LI");
        for (var i=0;i<lis.length;i++)
        {
                lis[i].onmouseover=function(){this.className+=" iehover";}
                lis[i].onmouseout=function() {this.className=this.className.replace(new RegExp(" iehover\\b"), "");}
        }
}

function gosearch(){
	document.getElementById('searchform').submit();
	return true;
}

function showAnswer(id){
	if($('#'+id).css('display')!='none'){
		$('#'+id).hide();
	} else {
		$('#'+id).show('slow');
	}
}

if (window.attachEvent)
        window.attachEvent("onload", cssmenuhover);