function changeDep(dep_id) {
	if(dep_id == 0 || dep_id==1 || dep_id==3)
	{
		document.all("dep1").style.display="";
		document.all("dep2").style.display="none";
		document.all("dep3").style.display="none";	
	
	}else if(dep_id==2)
	{
		document.all("dep1").style.display="none";
		document.all("dep2").style.display="";
		document.all("dep3").style.display="none";	
	
	}else if(dep_id==4)
	{
		document.all("dep1").style.display="none";
		document.all("dep2").style.display="none";
		document.all("dep3").style.display="";	
	
	}else
	{
		document.all("dep1").style.display="";
		document.all("dep2").style.display="none";
		document.all("dep3").style.display="none";	
		
	}	
	
}