function minLath(){
window.scrollTo(0,0);
getEl('subPageLath').id='subPage'
getEl('lath').className='invisible'
getEl('minIco').className='invisible'
getEl('maxIco').className=''
}
function maxLath(){
window.scrollTo(0,0);
getEl('subPage').id='subPageLath'
getEl('lath').className=''
getEl('minIco').className=''
getEl('maxIco').className='invisible'
}
function getEl(sName){
return document.getElementById(sName)
}