// bu_com2001@yahoo.com
	var url = document.URL	
function showtab ( obj,obj1,pos) {	
		
		obj = document.getElementById ( obj ) 		
		obj1 = document.getElementById ( obj1 ) 		
		d=document		
 		ie=(d.all)
	 
		if(ie!=null){
			if(obj!=null){			
				closeAll()
				obj.style.display = 'block'			
				if(pos<2){
					obj1.className='tabon';
				}else if(pos>4){
					obj1.className='tabon2';
				}else{
					obj1.className='tabon1';
					}
			 }
		}else{			
			if(obj!=null){				 
					closeAll()
					obj.style.visibility = 'visible' 			
				 
			 }
			}
}
	
function closeAll(){	
 		d=document		
 		ie=(d.all)
		var elem
		if(ie!=null){
			for ( i = 1 ; i < 6 ; i ++ ) {
				if (document.getElementById("layer" + i ) != null ) {	
					 eval ( "layer" + i ).style.display = "none"					
					}
					if (document.getElementById("idt" + i ) != null ) {	
						if(i<2){
						 eval ( "idt" + i ).className = "taboff1"
						}else if(i>4){
							 eval ( "idt" + i ).className = "taboff2"
							}
						else{
							 eval ( "idt" + i ).className = "taboff"
							}
					}
			}
		}else{
			
			 for ( i = 1 ; i < 6 ; i ++ ) {		
			 		elem=document.getElementById("layer" + i)
					elem1=document.getElementById("idt" + i)
				if ( elem!= null ) {	
					 	elem. style.visibility= "collapse"	
						elem1.className = "taboff"
					}
					if ( elem1!= null ) {	
					  
						elem1.className = "taboff"
					}
			}
		}
 
	
		
}