var CorrectMiddleColHeight = function () {

	var ColMain = $('col_container');
	var ColRight = $('right_col');
	var ColMiddle = $('middle_col');
	var ColMiddleDimensions = $('middle_col').getDimensions();
	var ColRightDimensions = $('right_col').getDimensions();

	if( Browser.Engine.trident ) {
		/* correct min-height css Style */
		if( ColMiddleDimensions.height < 400 || ColMain.getDimensions().height < 400 ) {
			ColMain.setStyle('height',400);
			ColMiddle.setStyle('height',400);
	    	ColMiddle.getChildren('div.inner')[0].setStyle('height',390);
		}
	}

	$$('.main_navigation ul li')[$$('.main_navigation ul li').length-1].addClass('right');

};

window.addEvents({
	'domready': function () {
		CorrectMiddleColHeight();
	},
	'resize': function () {
		CorrectMiddleColHeight();
	}
});