var old='';
var old1='';
view_num=0

if(view_num >= 1) {
	content=eval("cont"+view_num+".style");
	content.display='block';
	old=content;
		
	content1=eval("cont"+view_num+"_1.style");
	content1.display='block';
	old1=content1;
} else {
	old='';
	old1='';
}

function viewPage(list_num){
	content=eval("cont"+list_num+".style");

	if(old!=content) {
		if(old!='') {
			old.display='none';
		}
		content.display='block';
		old=content;
	} else {
		content.display='none';
		old='';
	}
	
	content1=eval("cont"+list_num+"_1.style");
	
	if(old1!=content1) {
		if(old1!='') {
			old1.display='none';
		}
		content1.display='block';
		old1=content1;
	} else {
		content1.display='none';
		old1='';
	}
}