var isNS4 = (navigator.appName=="Netscape")?1:0;
	var maxx = 100; var maxy = 2; var count = 0;
	var graph = new Array(maxx)
	allok = new Boolean(true)
	for (x = 0; x <= maxx; x++) {graph [x] = new Array(maxy)}

	function sequencecheck() {
		var sequence = document.submit_form.seq.value;
		var secseq = document.submit_form.SSInfo.value;

		if(sequence.length==0)
		{	
			alert('Please sumit the sequence');
			return false;
		}
		if(secseq.length==0)
		{	
			alert('Please sumit the Secondary Structure Data');
			return false;
		}
		if((document.submit_form.CHOICEOPT[0].checked==true)&&(document.submit_form.SSInfo.value.length == 0))
		{
			alert('Please provide the secondary structure information for the sequence');
			return false;
		}
	
	}
	function changeSecondaryInfo(Ssecvalue){
		document.submit_form.Ssec[0].value=Ssecvalue;
	}
	
	function setinfo(value){
		document.submit_form.seq.value+=value;
	}

	function AddInfo(){
		var Initialvalue=document.submit_form.startRange.value;		
		var Finalvalue=document.submit_form.endRange.value;
		var Sec=document.submit_form.SSInfo.value;
		var len=document.submit_form.seq.value.length;

		if((Initialvalue.length>0)&&(Finalvalue>0))
		{
//		alert("length = "+len);
			if((parseInt(Finalvalue) > parseInt(Initialvalue))&&(parseInt(Finalvalue) > 0) && (parseInt(Initialvalue)> 0) && (parseInt(Finalvalue)<=len))
			{
				if(count==0)
				{
					document.submit_form.SSInfo.value=Sec + document.submit_form.HB.value + "  " + Initialvalue + "  " + Finalvalue + "\n";
					graph[count][0]=Initialvalue;
					graph[count][1]=Finalvalue;
					count++;
				}
				else
				{
					allok=true;
					for(i=0;i<count;i++)
					{
					//alert(graph[i][0]+" "+graph[i][1]);
						if(((parseInt(Initialvalue)>=graph[i][0])&&(parseInt(Initialvalue)<=graph[i][1]))||((parseInt(Finalvalue)>=graph[i][0])&&(parseInt(Finalvalue)<=graph[i][1]))||((parseInt(Initialvalue)<graph[i][0])&&(parseInt(Finalvalue)>graph[i][1])))
						{alert("Please check the values !!!");allok=false;}
					}
					if(allok)
					{
						document.submit_form.SSInfo.value=Sec + document.submit_form.HB.value + "  " + Initialvalue + "  " + Finalvalue + "\n";
						graph[count][0]=Initialvalue;
						graph[count][1]=Finalvalue;
						count++;
					}
				}
			}
			else
			{alert("Please check the values !!!");}
		}
		else
		{alert("Please check the values !!!");}
	}


	function changeChoice(optChoice){
		document.submit_form.CHOICEOPT[0].value=optChoice;
		document.submit_form.seq.value="";
	}


	function clearForm(){
		document.submit_form.reset();
		document.submit_form.seq.value="";
		document.submit_form.SSInfo.value="";
		return true;
	}

	function popUp(URL){
		fname = document.getElementsByName("myFile")[0].value;
		if (fname != "")
			window.open(URL+"?first&uplMonitor="+encodeURIComponent(fname),"","width=400,height=150,resizable=yes,depend=yes")
	}
//-->