var asp_proveurl 	= "http://prove.asp-communications.co.jp/prove_h/prove_cam_ms_n.aspx?pid=";
		var pdfwindow = null;
		var prewindow = null;
		var provewindow = null;
		var checkPdfTimer = null;
		var showstatus = 0;
		window.onunload = checkCurrent;
			

		function prove_op(artadd,fid){
			checkWindow();
			showstatus = 1;
			var strurl = artadd + "?cd=" + fid;
			prewindow = window.open( strurl , 'prewindow','width=660,height=130,location=0,toolbar=0,menubar=0,scrollbars=0,resizable=1');
		}
		
		function checkCurrent(){
			//CurrentWindowCheck
			if(prewindow != window && window.name != "pdfcontents"){
				checkWindow();
			}	
		}
		
		function checkWindow(){
			try{
				if(prewindow ){
					if(!prewindow.closed){
						prewindow.close();
						prewindow = null;
					}
				}
			}
			catch(e)
			{
			}
		}