function checkDiv(checkedagain){
	document.getElementById('_Content_Container').style.marginTop = "0px";
	document.getElementById('navigation_1').style.marginTop = "0px";
	if (typeof(window.innerHeight) == 'number') {
		win_height = window.innerHeight;
	} else {
		if (document.documentElement && document.documentElement.clientHeight) {
			win_height = document.documentElement.clientHeight;
		} else {
			if (document.body && document.body.clientHeight) {
				win_height = document.body.clientHeight;
			}
		}
	}
	if (document.all) {
		doc_height = document.body.offsetHeight;
		nav_height = document.getElementById('navigation_1').offsetHeight;
		cont_height = document.getElementById('_Content_Container').offsetHeight;
		if(document.getElementById('logo')){
			foot_height = document.getElementById('logo').offsetHeight;
		} else {
			foot_height = 0;
		}
	} else if (document.layers) {
		doc_height = document.body.document.height;
		nav_height = document.getElementById('navigation_1').height;
		cont_height = document.getElementById('_Content_Container').height;
		if(document.getElementById('logo')){
		foot_height = document.getElementById('logo').height;
		} else {
			foot_height = 0;
		}
	} else {
		doc_height = document.body.offsetHeight;
		nav_height = document.getElementById('navigation_1').offsetHeight;
		cont_height = document.getElementById('_Content_Container').offsetHeight;
		if(document.getElementById('logo')){
			foot_height = document.getElementById('logo').offsetHeight;
		} else {
			foot_height = 0;
		}
	}
	if(doc_height>win_height){
		document.body.style.height = "auto";
		document.getElementById('Container').style.height = "auto";
		temp_height = win_height-nav_height;
		if(temp_height >=0){
			document.getElementById('navigation_1').style.marginTop = temp_height+"px";
		}
	} else {
		document.body.style.height = win_height+"px";
		document.getElementById('Container').style.height = win_height+"px";
		temp_height = win_height-cont_height-foot_height;
		if(temp_height >=0){
			document.getElementById('_Content_Container').style.marginTop = temp_height+"px";
		}
		temp_height = win_height-nav_height-foot_height;
		if(temp_height >=0){
			document.getElementById('navigation_1').style.marginTop = temp_height+"px";
		}
	}
	if(!checkedagain){
		checkDiv(true);
	}
}