function activate_tables( id ){
	if( document.getElementById ){
		var tables = document.getElementById(id).getElementsByTagName("TABLE");
		for (var i = 0; i < tables.length; i++) {
			if( tables[i].className ){
				var cl = tables[i].className.split(' ');
				for (j in cl) {
					if("active" == cl[j] ){
						activate_the_table(tables[i]);
					}
				}
			}
		}
	}
}

function activate_the_table( tbl ) {
	var alt = false;
	var els = tbl.getElementsByTagName("TR");
	for (var i = 0; i < els.length; i++) {
		alt = false;
		// kas antras row class=alt
		if ( (1<i) && (0==i%2) ) {
		    els[i].className = 'alt';
			alt = true;
		}
		// remove border of first-child for noncompiliant browsers
		els[i].cells[0].style.borderLeftWidth = '0px';
		if( is.ie ){
			// add :hover effect for explorer
			els[i].onmouseover = function(e){this.className='hover';}
			if(alt){
				els[i].onmouseout  = function(e){this.className='alt';}
			}else{
				els[i].onmouseout  = function(e){this.className='';}
			}
		}
	}
}