function getColumnHeight(){
	var columnHeight, column, rightRepeat;
	columnHeight = document.getElementById('mainContent').offsetHeight;
	column = document.getElementById('leftCol');
	rightRepeat = document.getElementById('bottomRepeatRight');
	
	if(subPage == false){
		if(columnHeight > 400){
			column.style.height = columnHeight - 245 +  "px";
			rightRepeat.style.top = columnHeight + 13 + "px"; // positions the background image on the bottom right correctly.
		} else if(columnHeight < 401){
			column.style.height = 225 + "px";
			rightRepeat.style.top = 483 + "px"; // positions the background image on the bottom right correctly.
		}
	} else if (subPage == true){
		if(columnHeight > 400){
			column.style.height = columnHeight - 210 +  "px";
			rightRepeat.style.top = columnHeight - 52 + "px"; // positions the background image on the bottom right correctly.
			document.getElementById('colHeight').innerHTML = columnHeight;
		} else if(columnHeight < 401){
			document.getElementById('mainContent').style.height = 430 + "px";
			column.style.height = 286 + "px";
			rightRepeat.style.top = 444 +  "px"; // positions the background image on the bottom right correctly.
			document.getElementById('colHeight').innerHTML = columnHeight;
		}
	}
}
window.onload=function(){ 
     if(document.getElementsByTagName){ 
		  getColumnHeight();
     } 
}