function Col() {
var d = document
var col1 = d.getElementById('d1')
var col2 = d.getElementById('d2')
var col3 = d.getElementById('d3')
var col4 = d.getElementById('d4')
var col5 = d.getElementById('d5')
var result
var resultright
var resultleft
result = col1.style.height = col2.style.height = Math.max(col1.offsetHeight,col2.offsetHeight) + 'px'
resultright = col3.style.height = col4.style.height = Math.max(col3.offsetHeight,col4.offsetHeight) + 'px'
resultleft = col3.style.height = col5.style.height = Math.max(col3.offsetHeight,col5.offsetHeight) + 'px'
}