function validate_login(lfm) {
	if ( lfm.txtusername.value == '' ) {
		alert ( 'Please input your\nUsername' );
		lfm.txtusername.focus();
		return false;
	} else if ( lfm.txtpassword.value == '' ) {
		alert ( 'Please input your\nPassword' );
		lfm.txtpassword.focus();
		return false;
	}
}

function check_remember(){
	if(document.formlogin.rememberme.checked==false){
		document.formlogin.rememberme.checked=true;
	}else{
		document.formlogin.rememberme.checked=false;
	}
	return 0;
}

function validate_video_search(vr){
	if(vr.query.value==''){
		alert('Your search can\'t be empty');
		return false;
	}
}

function maxlength(cm_text, counterinput, limit) {
	if (cm_text.value.length > limit){
		cm_text.value = cm_text.value.substring(0, limit);
	} else {
		counterinput.value = limit - cm_text.value.length;
	}
}

function showdiv(obj_ID1,ds){
	document.getElementById(obj_ID1).style.display=ds;
}

function showmore(div1,div2){
	document.getElementById(div1).style.display='block';
	document.getElementById(div2).style.display='none';
}
function showless(div1,div2){
	document.getElementById(div1).style.display='none';
	document.getElementById(div2).style.display='block';
}
function showtoggleplus(obj_ID1,obj_ID2,obj_ID3){
	if (document.getElementById(obj_ID1).style.display == "none"){
    	document.getElementById(obj_ID1).style.display="inline";
    	document.getElementById(obj_ID2).style.display="none";
    	document.getElementById(obj_ID3).style.display="inline";
    } else {
    	document.getElementById(obj_ID1).style.display="none";
    	document.getElementById(obj_ID2).style.display="inline";
    	document.getElementById(obj_ID3).style.display="none";
	}
}
function showtoggle(obj_ID1,obj_ID2){
	if (document.getElementById(obj_ID1).style.display == "none"){
    	document.getElementById(obj_ID1).style.display="block";
    	document.getElementById(obj_ID2).style.display="none";
    } else {
    	document.getElementById(obj_ID1).style.display="none";
    	document.getElementById(obj_ID2).style.display="block";
	}
}

function change_button_order(divbt,bt_img,divbk,bk_img,link,order){
	document.getElementById(divbt).style.background='url('+bt_img+') 0px '+order+'px repeat-y';
	document.getElementById(divbt).style.backgroundPosition='352px '+order+'px';
	document.getElementById(divbk).style.background='url('+bk_img+')';
	document.getElementById('box_left_link').href=link;
}