function tips (id) {

	var tips = "";

	switch (id) {

		case 1:
		
			tips = "Enter your oligomers here, then click on \"Add To List\" button. Oligomers will be added to the list below.<br \>"+
				"You could enter one or more oligomers at the same time, with one oligomer for each line.<br \>If you enter a simple "+
				"oligomer sequence, an automatic identifiant will be generated.<br \>If you want to specify an identifiant, you have to "+
				"enter ID and oligomer separate with a blank, e.g. \"AC1202 ATTGCGCGAATGTCG\".";
			break;
			
		case 2:
		
			tips = "You could add your oligomers from a file. Many formats are supported like Fasta, ClustlW or Seaview.<br />"+
				"Upload your file by clicking on \"choose\" button. Oligomers founded will be add to the list below.";
			break;
		
		case 3:
		
			tips = "Enter your aligned sequences here, then click on \"Add To List\" button. Sequences will be added to the list below.<br \>"+
				"You could enter one or more sequences at the same time, with one sequences for each line.<br \>If you enter a simple "+
				"sequence, an automatic identifiant will be generated.<br \>If you want to specify an identifiant, you have to "+
				"enter ID and sequences separate with a blank\".";
			break;
			
		case 4:
		
			tips = "You could add your sequences from a file. Many formats are supported like Fasta, ClustalM or Seaview.<br />"+
				"Upload your file by clicking on \"choose\" button. Sequences founded will be add to the list below.";
			break;
		
		case 5:
		
			tips = "This is the list of oligomers to work with. If you click on an identifant corresponding sequence will be display bottom.";
			break;
		
		case 6:
		
			tips = "This is the list of sequences to work with. If you click on an identifant corresponding aligned sequence will be display bottom.";
			break;
		
		case 7:
		
			tips = "You can ajust parameters for melting temperatures calculation.";
			break;
	
		case 8:
	
			tips = "Download a text file with results in a tabulated format.";
			break;
		
		case 9:
	
			tips = "Download a TreeDyn annotations file.<br \>"+
				"This file is used to add annotations data for trees representations.<br />"+
				"Temperatures are change into colors for a useful display.";
			break;
		
		case 10:
	
			tips = "Download a color legend for TreeDyn.<br \>"+
				"This legend shows correspondences between colors and Tm.";
			break;
		
		case 11:
	
			tips = "Download legend for primers identifiants.<br \>"+
				"TreeDyn replace primers ID with some automatic indentifiants<br />"+
				"This legend shows correspondences between real ID and TreeDyn ID.";
			break;
		
		case 12:
	
			tips = "Find which oligomers match with sequences <br \>"+
				"Display a resume and an image representing alignements "+
				"between oligomers and aligned sequences consensus.";
			break;
			
		case 13:
	
			tips = "Calculate melting temperatures for all oligomers.";
			break;
		
		case 14:
	
			tips = "Some options to modify interface.<br />"+
				"Select or unselect checkbox. You need to reload page after changes.";
			break;
			
		
		case 15:

			tips = "Download results as Excel file (.xls)";
			break;

		case 16:

			tips = "Enter your oligomers here.You could enter one or more oligomers at the same time, "+
			"one oligomer for each line.<br /> If you enter a simple oligomer sequence, an automatic identifiant will be generated.<br />"+
			"If you want to specify an identifiant, you have to enter ID and oligomer separate with a blank, e.g. \"AC1202 ATTGCGCGAATGTCG\".";
			break;
			
			
		case 17:
		
			tips = "You could add your oligomers from a file. Many formats are supported like Fasta, ClustlW or Seaview.<br />"+
				"Upload your file by clicking on \"choose\" button.";
			break;
		
		
		case 18:
		
			tips = "Enter your aligned sequences here.<br \>"+
				"You could enter one or more sequences at the same time, with one sequences for each line.<br \>If you enter a simple "+
				"sequence, an automatic identifiant will be generated.<br \>If you want to specify an identifiant, you have to "+
				"enter ID and sequences separate with a blank\".";
			break;
			
		
		default:
		
			break;
	
	}

	

	//document.getElementById('tips').innerHTML = tips;
	
	return;

}