function noThis(){
	return false;
}

function firstPage(form){toPage(1,form);}

function getPageNumElement(){return document.getElementById('pager.pageNum');}

function getPageNum(){return getPageNumElement().value*1;}

function setPageNum(page){getPageNumElement().value=page;}

function toPage(page,form){setPageNum(page);form.submit();}

function prePage(form){toPage(getPageNum()-1,form);}

function nextPage(form){
	//alert('nextPage');
	toPage(getPageNum()+1,form);
}
function resetPageNum(){
	var pne=getPageNumElement();
	if(pne){
		setPageNum(1);
	}
}
function checkboxAll(all,sub){
	
	if(sub==null){	return ;};	
	
	if(sub.length==null){	
		
		sub.checked=all.checked;
	};
	if(sub.length>1){	
		for(var i=0;i< sub.length;i++){
			sub[i].checked=all.checked;	
		};
	};
};