function sopen(  prefix , num ) 
		{ //v3.0
	  	var i;
		  	for (i=-1; i<28; i++ )  {
			if ((obj=document.getElementById(   prefix +i ))!=null) 
				{	
			
		    		if (obj.style) 
					{ 
					if (i==num) {  
						obj.style.display='block'; 
						if (tit=document.getElementById(  "agg_title_" +i )) {
							tit.style.fontWeight='bold';
							}
						} 
					else {  
						if ( tit=document.getElementById(  "agg_title_" +i )) {
							if (tit.style.fontWeight=='bold') {
								tit.style.fontWeight='normal';
								tit.style.color='#a0a0a0';
							}
						}
						   
					}
				
				}
			}
		}
}