var px = 'px';
var lastButtonE = null;	

	function drop_menu(element,pxshift,showlist)
	{
		document.getElementById('submenu').style.left = pxshift + px;
		document.getElementById('submenu').style.top = (element.offsetHeight + 25) + px;
		document.getElementById('submenu').style.display = 'block';	
				
		document.getElementById('submenu_1').style.display = 'none';
		document.getElementById('submenu_2').style.display = 'none';
		document.getElementById(showlist).style.display = 'block';
	}
	
	function close_menu()
	{
		document.getElementById('submenu').style.display = 'none';		
	}
	
	function lock_menu()
	{
		document.getElementById('submenu').style.display = 'block';	
	}
	
	
	function switch_img(element)
	{
		var switch_path = element.src;
		///main/assets/graphix_store/house1.png
		switch_path = switch_path.replace('/graphix_store/','/graphix_store/full_size/');
		document.getElementById('full_size_image').src = switch_path;
	}
	
	function switch_tab(buttonE,tabCat)
	{
		if(tabCat == 'commercial'){
			document.getElementById('residential').style.display = 'none';
			buttonE.src = "/main/assets/graphix/com_on.png";
		}
		else{
			document.getElementById('commercial').style.display = 'none';
			buttonE.src = "/main/assets/graphix/res_on.png";
		}
		
		if(lastButtonE != null) lastButtonE.src = "/main/assets/graphix/blank_button.png";
		document.getElementById(tabCat).style.display = 'block';
		lastButtonE = buttonE;		
	}