/*----------COLUMN SELECT-----------*/
function addHover(col)
{
	window.document.getElementById("colh"+col).className = "th-hover";
	window.document.getElementById("col-1"+col).className = "td-hover";
	window.document.getElementById("col-2"+col).className = "td-hover";
	window.document.getElementById("col-3"+col).className = "td-hover";
	window.document.getElementById("col-4"+col).className = "td-hover";
	window.document.getElementById("col-sign"+col).className = "signup-hover";
}

function removeHover(col)
{
	window.document.getElementById("colh"+col).className = "th-normal";
	window.document.getElementById("col-1"+col).className = "td-normal";
	window.document.getElementById("col-2"+col).className = "td-normal-grey";
	window.document.getElementById("col-3"+col).className = "td-normal";
	window.document.getElementById("col-4"+col).className = "td-normal-grey"; 
	window.document.getElementById("col-sign"+col).className = "signup-normal";
}