function prev () {
	if (slide > 1) {
		slide--;
		exact(slide);		
	}
}
function next () {
	if ((slide < 100)&&(slide>0)) {
		slide++;
		exact(slide);
	}
}
function exact (num) {
	slide = num;
	if (slide<1) {
		slide = 1;
	}
	if (slide>count) {
		slide = count;
	}
	view(slide,path,count,title,false);
}
function view (num,path,count,title,first) {
	var h=532;
	var w=507;
	var scroll="no";
	var LeftPosition = (screen.width) ? (screen.width-w)/2 : 0; 
	var TopPosition = (screen.height) ? (screen.height-h)/2 : 0; 
	var settings = 'height='+h+',width='+w+',top='+TopPosition+',left='+LeftPosition+',scrollbars='+scroll+',resizable=no,toolbar=no';
	if (first) pr = "../";
	else pr = "";
	var win = window.open(pr+"viewer.html?slide="+num+"&path="+path+"&count="+count+"&title="+title,"viewer",settings);
}

function line (cid,title,pre,count,perline){
	for (var i=1; i<=count; i++) {
		if ((i == perline+1)||(i == perline*2+1)||(i == perline*3+1)||(i == perline*4+1)||(i == perline*5+1)||(i == perline*6+1)||(i == perline*7+1)||(i == perline*8+1)||(i == perline*9+1)) document.write('<br>');
			document.write('<a href="javascript:view('+i+',\'content/'+pre+'\','+count+',\''+title+'\',true);" name="'+cid+'-'+i+'"><img src="content/'+pre+i+'.gif" class="imgpreview"></a>');
	}

}