function changeSort(obj,gourl,o_optype)
{
	val=obj.value
	gourl=gourl.replace("_o"+o_optype,"_o"+val)
	location.href=gourl
}

function changePagesize(obj,gourl,o_pcount)
{
	val=obj.value
	gourl=gourl.replace("_c"+o_pcount,"_c"+val)
	location.href=gourl
}

function lgourl(gourl,pcount)
{
	if(pcount=="")pcount=1
	if(isNaN(pcount))pcount=1
	gourl=gourl.replace("_p1","_p"+pcount)
	location.href=gourl
}