function OpenSheet(sheet_name){
	if (!document.getElementById("sheetlabel")){return;}
	var browser_type = "";
	/*if (window.navigator.userAgent.indexOf("Firefox")>=1){
		browser_type = "ff";
	}else{
		browser_type = "ie";
	}*/
	
	if (window.navigator.userAgent.indexOf("MSIE")>=1){
		browser_type = "ie";
	}else{
		browser_type = "ff";
	}

	if (browser_type=="ff"){
		var table_obj = document.getElementById("bookmark_table");
		td_objs = table_obj.getElementsByTagName("td");
		slen = td_objs.length;
		for(i=0;i<slen;i++){
			sheetcat_sqno = td_objs[i].getAttribute("sheetcat_sqno");
			if (sheet_name==sheetcat_sqno){
				if(td_objs[i].id=="sheethead_left"){
					td_objs[i].background="/web/images/st_bg_l1_ov.gif";
				}
				if(td_objs[i].id=="sheethead"){
					td_objs[i].background="/web/images/st_bg_u_ov.gif";
				}
				if(td_objs[i].id=="sheethead_right"){
					td_objs[i].background="/web/images/st_bg_r1_ov.gif";
				}
				if(td_objs[i].id=="sheetlabel_left"){
					td_objs[i].background="/web/images/st_bg_l2_ov.gif";
				}
				if(td_objs[i].id=="sheetlabel"){
					td_objs[i].style.background="#2F4797";
				}
				if(td_objs[i].id=="sheetlabel_right"){
					td_objs[i].background="/web/images/st_bg_r2_ov.gif";
				}
				if(td_objs[i].id=="sheetfoot_left"){
					td_objs[i].background="/web/images/st_bg_l2_ov.gif";
				}
				if(td_objs[i].id=="sheetfoot"){
					td_objs[i].background="/web/images/st_bg_u.gif";
				}
				if(td_objs[i].id=="sheetfoot_right"){
					td_objs[i].background="/web/images/st_bg_r2_ov.gif";
				}
			}else{
				if(td_objs[i].id=="sheethead_left"){
					td_objs[i].background="/web/images/st_bg_l1.gif";
				}
				if(td_objs[i].id=="sheethead"){
					td_objs[i].background="/web/images/st_bg_u.gif";
				}
				if(td_objs[i].id=="sheethead_right"){
					td_objs[i].background="/web/images/st_bg_r1.gif";
				}
				if(td_objs[i].id=="sheetlabel_left"){
					td_objs[i].background="/web/images/st_bg_l2_ov.gif";
				}
				if(td_objs[i].id=="sheetlabel"){
					td_objs[i].style.background="#FFFFFF";
				}
				if(td_objs[i].id=="sheetlabel_right"){
					td_objs[i].background="/web/images/st_bg_r2_ov.gif";
				}
				if(td_objs[i].id=="sheetfoot_left"){
					td_objs[i].background="/web/images/st_bg_l2_ov.gif";
				}
				if(td_objs[i].id=="sheetfoot"){
					td_objs[i].background="/web/images/st_bg_u.gif";
				}
				if(td_objs[i].id=="sheetfoot_right"){
					td_objs[i].background="/web/images/st_bg_r2_ov.gif";
				}
			}
		}
		div_objs = document.getElementsByTagName("div");
		slen = div_objs.length;
		for (i=0;i<slen;i++){
			//alert(div_objs[i].id);
			if (div_objs[i].id=="sheetmain"){
				div_sheet_name = div_objs[i].getAttribute("sheet_name");
				if (div_sheet_name==sheet_name){
					div_objs[i].style.display = "block";
				}else{
					div_objs[i].style.display = "none";
	        	}
	        }
	    }
	}else{
		slen = sheetlabel.length;
	    if (slen>=1){
	        for(i=0;i<slen;i++){
	            if (document.all.sheetlabel[i].sheetcat_sqno==sheet_name){
	                sheethead_left[i].background="/web/images/st_bg_l1_ov.gif";
	                sheethead[i].background="/web/images/st_bg_u_ov.gif";
	                sheethead_right[i].background="/web/images/st_bg_r1_ov.gif";
	                sheetlabel_left[i].background="/web/images/st_bg_l2_ov.gif";
	                sheetlabel[i].style.background="#2F4797";
	                sheetlabel_right[i].background="/web/images/st_bg_r2_ov.gif";
	                sheetfoot_left[i].background="/web/images/st_bg_l2_ov.gif";
	                sheetfoot[i].style.background="#2F4797";
	                sheetfoot_right[i].background="/web/images/st_bg_r2_ov.gif";
	            }else{
	                sheethead_left[i].background="/web/images/st_bg_l1.gif";
	                sheethead[i].background="/web/images/st_bg_u.gif";
	                sheethead_right[i].background="/web/images/st_bg_r1.gif";
	                sheetlabel_left[i].background="/web/images/st_bg_l2.gif";
	                sheetlabel[i].style.background="#FFFFFF";
	                sheetlabel_right[i].background="/web/images/st_bg_r2_ov.gif";
	                //sheetfoot_left[i].background="/web/images/st_bg_l2.gif";
	                sheetfoot_left[i].style.background="#CECECE";
	                sheetfoot[i].style.background="#CECECE";
	                //sheetfoot_right[i].background="/web/images/st_bg_r2.gif";
	                sheetfoot_right[i].style.background="#CECECE";
	            }
	        }
	    }else{
	        if (sheetlabel.sheetcat_sqno==sheet_name){
	            sheethead_left.background="/web/images/st_bg_l1_ov.gif";
	            sheethead.background="/web/images/st_bg_u_ov.gif";
	            sheethead_right.background="/web/images/st_bg_r1_ov.gif";
	            sheetlabel_left.background="/web/images/st_bg_l2_ov.gif";
	            sheetlabel.style.background="#2F4797";
	            sheetlabel_right.background="/web/images/st_bg_r2_ov.gif";
	            sheetfoot_left.background="/web/images/st_bg_l2_ov.gif";
	            sheetfoot.style.background="#2F4797";
	            sheetfoot_right.background="/web/images/st_bg_r2_ov.gif";
	        }else{
	            sheethead_left.background="/web/images/st_bg_l1.gif";
	            sheethead.background="/web/images/st_bg_u.gif";
	            sheethead_right.background="/web/images/st_bg_r1.gif";
	            sheetlabel_left.background="/web/images/st_bg_l2.gif";
	            sheetlabel.style.background="#FFFFFF";
	            sheetlabel_right.background="/web/images/st_bg_r2.gif";
	            //sheetfoot_left.background="/web/images/st_bg_l2.gif";
	            sheetfoot_left.style.background="#CECECE";
	            sheetfoot.style.background="#CECECE";
	            //sheetfoot_right.background="/web/images/st_bg_r2.gif";
	            sheetfoot_right.style.background="#CECECE";
	        }
	    }
	    slen = sheetmain.length;
	    for (i=0;i<slen;i++){
	        sheetmain[i].style.display = "none";
	    }
	    for (i=0;i<slen;i++){
	        if (sheetmain[i].sheet_name==sheet_name){
	            sheetmain[i].style.display = "block";
	        }
	    }
	}
}

/*
function OpenSheet(sheet_name){
	if (!document.getElementById("sheetlabel")){return;}
	slen = sheetlabel.length;

    if (slen>=1){
        for(i=0;i<slen;i++){
            if (document.all.sheetlabel[i].sheetcat_sqno==sheet_name){
                sheethead_left[i].src="/web/images/st_bg_l1_ov.gif";
                sheethead[i].background="/web/images/st_bg_u_ov.gif";
                sheethead_right[i].src="/web/images/st_bg_r1_ov.gif";
                sheetlabel_left[i].background="/web/images/st_bg_l2_ov.gif";
                sheetlabel[i].style.background="#E2E2E2";
                sheetlabel_right[i].background="/web/images/st_bg_r2_ov.gif";
                sheetfoot_left[i].background="/web/images/st_bg_l2_ov.gif";
                sheetfoot[i].style.background="#E2E2E2";
                sheetfoot_right[i].background="/web/images/st_bg_r2_ov.gif";
            }else{
                sheethead_left[i].src="/web/images/st_bg_l1.gif";
                sheethead[i].background="/web/images/st_bg_u.gif";
                sheethead_right[i].src="/web/images/st_bg_r1.gif";
                sheetlabel_left[i].background="/web/images/st_bg_l2.gif";
                sheetlabel[i].style.background="#FFFFFF";
                sheetlabel_right[i].background="/web/images/st_bg_r2.gif";
                //sheetfoot_left[i].background="/web/images/st_bg_l2.gif";
                sheetfoot_left[i].style.background="#CECECE";
                sheetfoot[i].style.background="#CECECE";
                //sheetfoot_right[i].background="/web/images/st_bg_r2.gif";
                sheetfoot_right[i].style.background="#CECECE";
            }
        }
    }else{
        if (sheetlabel.sheetcat_sqno==sheet_name){
            sheethead_left.src="/web/images/st_bg_l1_ov.gif";
            sheethead.background="/web/images/st_bg_u_ov.gif";
            sheethead_right.src="/web/images/st_bg_r1_ov.gif";
            sheetlabel_left.background="/web/images/st_bg_l2_ov.gif";
            sheetlabel.style.background="#E2E2E2";
            sheetlabel_right.background="/web/images/st_bg_r2_ov.gif";
            sheetfoot_left.background="/web/images/st_bg_l2_ov.gif";
            sheetfoot.style.background="#E2E2E2";
            sheetfoot_right.background="/web/images/st_bg_r2_ov.gif";
        }else{
            sheethead_left.src="/web/images/st_bg_l1.gif";
            sheethead.background="/web/images/st_bg_u.gif";
            sheethead_right.src="/web/images/st_bg_r1.gif";
            sheetlabel_left.background="/web/images/st_bg_l2.gif";
            sheetlabel.style.background="#FFFFFF";
            sheetlabel_right.background="/web/images/st_bg_r2.gif";
            //sheetfoot_left.background="/web/images/st_bg_l2.gif";
            sheetfoot_left.style.background="#CECECE";
            sheetfoot.style.background="#CECECE";
            //sheetfoot_right.background="/web/images/st_bg_r2.gif";
            sheetfoot_right.style.background="#CECECE";
        }
    }
    slen = sheetmain.length;
    for (i=0;i<slen;i++){
        sheetmain[i].style.display = "none";
    }
    for (i=0;i<slen;i++){
        if (sheetmain[i].sheet_name==sheet_name){
            sheetmain[i].style.display = "block";
        }
    }
}
*/