function setHeight(){

	var myHeight = 0;
	if(typeof( window.innerWidth ) == 'number'){
	//Non-IE
	myHeight = window.innerHeight;
	} else if( document.documentElement && ( document.documentElement.clientWidth || document.documentElement.clientHeight )){
	//IE 6+ in 'standards compliant mode'
	myHeight = document.documentElement.clientHeight;
	} else if( document.body && ( document.body.clientWidth || document.body.clientHeight )){
	//IE 4 compatible
	myHeight = document.body.clientHeight;
	}
	//window.alert( 'Height = ' + myHeight );

	bodyHeight = document.getElementById("main_body").offsetHeight;
	
	//alert(bodyHeight)
		
	headerHeight = document.getElementById("header").offsetHeight;
	slideHeight = document.getElementById("sliderarea").offsetHeight;
	
	if(myHeight>bodyHeight)
		totalHeight = myHeight-(headerHeight+slideHeight);
	else
		totalHeight = bodyHeight-(headerHeight+slideHeight);

	document.getElementById('leftContainer').style.height = totalHeight+'px';
	
	bodyHeight = document.getElementById("main_body").offsetHeight;
	document.getElementById('leftbg').style.height = bodyHeight+'px';

}