function check(val)
		{
		var msg='';
		if(document.frm.contactname.value=="")
		{
		msg+="Name"+"\n";
		}
		if(document.frm.title.value==""){
		msg+="Title"+"\n";
		}
		if(document.frm.companyname.value==""){
		msg+="Company Name"+"\n";
		}
		if(document.frm.contactemail.value==""){
		msg+="Email"+"\n"; 
		}
		if(document.frm.phonenumber.value==""){
		msg+="PhoneNumber"+"\n";
		}
		if(msg!=""){
		alert("kindly fill the following field(s)\n"+msg);
		return false;
		}
		else{
			
		if(val=='aaa'){
		window.open("pdf/SIPr_datasheet.pdf","","fullscreen=yes");
		window.close();}
		else if(val=='cebp'){
		window.open("pdf/agnity_wp_cebp.pdf","","fullscreen=yes");
		window.close();}
		else if(val=='cob'){
		window.open("pdf/agnity_LNG.pdf","","fullscreen=yes");
		window.close();}
		else if(val=='bug'){
		window.open("pdf/agnity_wp_costofabug_v2.pdf","","fullscreen=yes");
		window.close();}
		}
		}