function page_height(adj1, adj2, adj3, adj4){
	var document_height = $("#container").height() - 132;
	
	var mainContent = $("#mainContent").height() + 100;
	if(adj4 != null)
		mainContent -= adj4;
	
	if(adj1){
		mainContent += adj1;
	}
		
	if(adj2){
		mainContent += adj2; 
	}
		
	if(adj3){
		mainContent += adj3;
	}		
	
	//alert(document_height + " - " + mainContent);
	if(document_height > mainContent){
		$("#contentSizer").height(document_height);
	}else{
		$("#contentSizer").height(mainContent);
	}
}